Add key invocation sections and complete substantial descriptor translation

Co-authored-by: mattwang44 <[email protected]>

Author: Copilot

howto/descriptor.po

@@ -519,7 +519,7 @@ msgstr ""
 
 #: ../../howto/descriptor.rst:267
 msgid "The new class now logs access to both *name* and *age*:"
-msgstr ""
+msgstr "新類別現在記錄對 *name* 和 *age* 的存取："
 
 #: ../../howto/descriptor.rst:275
 msgid ""
@@ -539,7 +539,7 @@ msgstr ""
 
 #: ../../howto/descriptor.rst:284
 msgid "The two *Person* instances contain only the private names:"
-msgstr ""
+msgstr "兩個 *Person* 實例只包含私有名稱："
 
 #: ../../howto/descriptor.rst:286
 msgid ""
@@ -1012,7 +1012,7 @@ msgstr ""
 
 #: ../../howto/descriptor.rst:573
 msgid "Invocation from an instance"
-msgstr ""
+msgstr "從實例呼叫"
 
 #: ../../howto/descriptor.rst:575
 msgid ""
@@ -1021,18 +1021,22 @@ msgid ""
 "descriptors, then class variables, and lastly :meth:`~object.__getattr__` if "
 "it is provided."
 msgstr ""
+"實例查找掃描命名空間鏈，給予資料描述器最高優先權，接著是實例變數，然後是非資料描述器，"
+"再來是類別變數，最後如果有提供的話是 :meth:`~object.__getattr__`。"
 
 #: ../../howto/descriptor.rst:580
 msgid ""
 "If a descriptor is found for ``a.x``, then it is invoked with: "
 "``desc.__get__(a, type(a))``."
 msgstr ""
+"如果為 ``a.x`` 找到描述器，則使用 ``desc.__get__(a, type(a))`` 呼叫它。"
 
 #: ../../howto/descriptor.rst:583
 msgid ""
 "The logic for a dotted lookup is in :meth:`object.__getattribute__`.  Here "
 "is a pure Python equivalent:"
 msgstr ""
+"點查找的邏輯在 :meth:`object.__getattribute__` 中。這裡是純 Python 等價實作："
 
 #: ../../howto/descriptor.rst:586
 msgid ""
@@ -1102,7 +1106,7 @@ msgstr ""
 
 #: ../../howto/descriptor.rst:776
 msgid "Invocation from a class"
-msgstr ""
+msgstr "從類別呼叫"
 
 #: ../../howto/descriptor.rst:778
 msgid ""
@@ -1114,7 +1118,7 @@ msgstr ""
 
 #: ../../howto/descriptor.rst:783
 msgid "If a descriptor is found, it is invoked with ``desc.__get__(None, A)``."
-msgstr ""
+msgstr "如果找到描述器，則使用 ``desc.__get__(None, A)`` 呼叫它。"
 
 #: ../../howto/descriptor.rst:785
 msgid ""