Translate faq/design.html#why-are-floating-point-calculations-so-inaccurate

SiriusKoan · SiriusKoan · commit 87cb8f01eda9 · 2022-08-23T14:41:27.000+08:00
diff --git a/faq/design.po b/faq/design.po
@@ -9,7 +9,7 @@ msgstr ""
 "Project-Id-Version: Python 3.10\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2022-07-06 00:17+0000\n"
-"PO-Revision-Date: 2022-08-12 17:43+0800\n"
+"PO-Revision-Date: 2022-08-14 20:54+0800\n"
 "Last-Translator: Adrian Liaw <adrianliaw2000@gmail.com>\n"
 "Language-Team: Chinese - TAIWAN (https://github.com/python/python-docs-zh-"
 "tw)\n"
@@ -86,29 +86,39 @@ msgid ""
 "brackets -- the lack of declarations and the high-level data types are also "
 "responsible -- but the indentation-based syntax certainly helps."
 msgstr ""
+"很多程式碼風格會把 begin/end 獨立放在一行。這會讓程式碼很長且浪費珍貴的螢幕空"
+"間，要概覽程式時也變得較為困難。理想上來說，一個函式應該要佔一個螢幕（大概 "
+"20 至 30 行）。20 行的 Python 程式碼比起 20 行的 C 程式碼可以做更多事。這不單"
+"單只是沒有 begin/end 括號 ── 也因為沒有變數宣告及高階的資料型別 ── 但縮排式的"
+"語法確實給了幫助。"
 
 #: ../../faq/design.rst:48
 msgid "Why am I getting strange results with simple arithmetic operations?"
-msgstr ""
+msgstr "為何我會從簡單的算術運算中得到奇怪的結果？"
 
 #: ../../faq/design.rst:50
 msgid "See the next question."
 msgstr "請見下一個問題。"
 
 #: ../../faq/design.rst:54
 msgid "Why are floating-point calculations so inaccurate?"
-msgstr "為何浮點數運算如此不精確?"
+msgstr "為何浮點數運算如此不精確？"
 
 #: ../../faq/design.rst:56
 msgid "Users are often surprised by results like this::"
 msgstr ""
+"使用者常常對這種結果感到驚訝：\n"
+"\n"
+"::"
 
 #: ../../faq/design.rst:61
 msgid ""
 "and think it is a bug in Python.  It's not.  This has little to do with "
 "Python, and much more to do with how the underlying platform handles "
 "floating-point numbers."
 msgstr ""
+"然後認為這是 Python 的 bug。但這並不是。這跟 Python 幾乎沒有關係，而是和底層"
+"如何處理浮點數有關係。"
 
 #: ../../faq/design.rst:65
 msgid ""
@@ -119,35 +129,52 @@ msgid ""
 "point operations. This means that as far as floating-point operations are "
 "concerned, Python behaves like many popular languages including C and Java."
 msgstr ""
+"CPython 的 :class:`float` 型別使用了 C 的 ``double`` 型別來儲存。一個 class:"
+"`float` 物件的值會以固定的精度（通常為 53 位元）存為二進制浮點數，Python 使"
+"用 C 來運算浮點數，而他的結果會依處理器中的硬體實作方式來決定。這表示就浮點數"
+"運算來說，Python 和 C、Java 等很多受歡迎的語言有一樣的表現。"
 
 #: ../../faq/design.rst:72
 msgid ""
 "Many numbers that can be written easily in decimal notation cannot be "
 "expressed exactly in binary floating-point.  For example, after::"
 msgstr ""
+"很多數字可以簡單地寫成十進位表示，但卻無法簡單地變成二進制表示。比方說，在以"
+"下程式碼執行後：\n"
+"\n"
+"::"
 
 #: ../../faq/design.rst:77
 msgid ""
 "the value stored for ``x`` is a (very good) approximation to the decimal "
 "value ``1.2``, but is not exactly equal to it.  On a typical machine, the "
 "actual stored value is::"
 msgstr ""
+"``x`` 裡的值是一個（很接近）1.2 的估計值，但並非精確地等於 1.2。以一般的電腦"
+"來說，他實際儲存的值是：\n"
+"\n"
+"::"
 
 #: ../../faq/design.rst:83
 msgid "which is exactly::"
 msgstr ""
+"而這個值正是：\n"
+"\n"
+"::"
 
 #: ../../faq/design.rst:87
 msgid ""
 "The typical precision of 53 bits provides Python floats with 15--16 decimal "
 "digits of accuracy."
-msgstr ""
+msgstr "53 位元的精度讓 Python 可以有 15 至 16 小數位的準確度。"
 
 #: ../../faq/design.rst:90
 msgid ""
 "For a fuller explanation, please see the :ref:`floating point arithmetic "
 "<tut-fp-issues>` chapter in the Python tutorial."
 msgstr ""
+"要更完全的解釋可以查閱在 Python 教學的\\ :ref:`浮點運算 <tut-fp-issues>`\\ 一"
+"章。"
 
 #: ../../faq/design.rst:95
 msgid "Why are Python strings immutable?"
