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Commit 592ccd1

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yichung279adrianliaw
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Translate a part of tutorial/floatingpoint
See python#51 for the full PR revision history
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‎tutorial/floatingpoint.po

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+32-1Lines changed: 32 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@ msgstr ""
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"Project-Id-Version: Python 3.7\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2018-06-26 18:54+0800\n"
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"PO-Revision-Date: 2016-11-19 00:37+0000\n"
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"PO-Revision-Date: 2018-11-07 16:57+0800\n"
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"Last-Translator: Liang-Bo Wang <me@liang2.tw>\n"
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"Language-Team: Chinese - TAIWAN (https://github.com/python/python-docs-zh-"
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"tw)\n"
@@ -81,6 +81,10 @@ msgid ""
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"fraction is ``3602879701896397 / 2 ** 55`` which is close to but not exactly "
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"equal to the true value of 1/10."
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msgstr ""
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"只要您停在任何有限的位數,您就只會得到近似值。而現在大多數的計算機中,浮點數"
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"是透過二進位分數近似的,其中分子從最高有效位元使開始用 53 個位元表示,分母則"
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"是以二為底的指數。在 1/10 的例子中,二進位分數為 ``3602879701896397 / 2 ** "
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"55``,而這樣的表示十分地接近,但不完全等同於 1/10 的真正數值。"
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#: ../../tutorial/floatingpoint.rst:62
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msgid ""
@@ -90,18 +94,30 @@ msgid ""
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"if Python were to print the true decimal value of the binary approximation "
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"stored for 0.1, it would have to display ::"
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msgstr ""
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"由於數值顯示的方式,很多使用者並沒有發現數值是個近似值。Python 只會印出一個十"
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"進位近似值,其近似了儲存在計算機中的二進位近似值的十進位數值。在大多數的計算"
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"機中,如果 Python 真的會印出完整的十進位數值,其表示儲存在計算機中的 0.1 的二"
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"進位近似值,它將顯示為:\n"
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"\n"
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"::"
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#: ../../tutorial/floatingpoint.rst:71
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msgid ""
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"That is more digits than most people find useful, so Python keeps the number "
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"of digits manageable by displaying a rounded value instead ::"
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msgstr ""
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"這比一般人感到有用的位數還多,所以 Python 將位數保持在可以接受的範圍,只顯示"
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"捨入後的數值:\n"
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"\n"
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"::"
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#: ../../tutorial/floatingpoint.rst:77
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msgid ""
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"Just remember, even though the printed result looks like the exact value of "
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"1/10, the actual stored value is the nearest representable binary fraction."
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msgstr ""
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"一定要記住,雖然印出的數字看起來是精準的 1/10,但真正儲存的數值是能表示的二進"
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"位分數中,最接近精準數值的數。"
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#: ../../tutorial/floatingpoint.rst:80
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msgid ""
@@ -113,6 +129,11 @@ msgid ""
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"values share the same approximation, any one of them could be displayed "
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"while still preserving the invariant ``eval(repr(x)) == x``."
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msgstr ""
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"有趣的是,有許多不同的十進位數,共用同一個最接近的二進位近似小數。例如說:數"
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"字 ``0.1`` 和 ``0.10000000000000001`` 和 "
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"``0.1000000000000000055511151231257827021181583404541015625``,都由 "
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"``3602879701896397 / 2 ** 55`` 近似。由於這三個數值共用同一個近似值,任何一個"
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"數值都可以被顯示,同時保持 ``eval(repr(x)) == x``。"
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#: ../../tutorial/floatingpoint.rst:88
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msgid ""
@@ -121,6 +142,9 @@ msgid ""
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"Starting with Python 3.1, Python (on most systems) is now able to choose the "
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"shortest of these and simply display ``0.1``."
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msgstr ""
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"歷史上,Python 的提示字元 (prompt) 與內建的 :func:`repr` 函式會選擇上段說明中"
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"有 17 個有效位元的數:``0.10000000000000001``。從 Python 3.1 版開始,"
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"Python(在大部分的系統上)可以選擇其中最短的數並簡單地顯示為 ``0.1``。"
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#: ../../tutorial/floatingpoint.rst:93
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msgid ""
@@ -130,12 +154,19 @@ msgid ""
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"arithmetic (although some languages may not *display* the difference by "
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"default, or in all output modes)."
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msgstr ""
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"注意,這是二進位浮點數理所當然的特性,並不是 Python 的錯誤 (bug),更不是您程"
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"式碼的錯誤。只要有程式語言支持硬體的浮點數運算,您將會看到同樣的事情出現在其"
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"中(雖然某些程式語言預設不\\ *顯示*\\ 差異,或者預設全部輸出)。"
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#: ../../tutorial/floatingpoint.rst:99
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msgid ""
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"For more pleasant output, you may wish to use string formatting to produce a "
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"limited number of significant digits::"
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msgstr ""
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"為求更優雅的輸出,您可能想要使用字串的格式化 (string formatting) 產生限定的有"
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"效位數:\n"
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"\n"
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"::"
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#: ../../tutorial/floatingpoint.rst:111
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msgid ""

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