python
diff --git a/‎c-api/init.po
Lines changed: 3 additions & 1 deletion b/‎c-api/init.po
Lines changed: 3 additions & 1 deletion
diff --git a/‎library/decimal.po
Lines changed: 7 additions & 3 deletions b/‎library/decimal.po
Lines changed: 7 additions & 3 deletions
diff --git a/‎sphinx.po
Lines changed: 8 additions & 8 deletions b/‎sphinx.po
Lines changed: 8 additions & 8 deletions
@@ -2109,10 +2109,12 @@ msgid ""
 "This macro expands to the initializer for :c:type:`Py_tss_t` variables. Note"
 " that this macro won't be defined with :ref:`Py_LIMITED_API <stable>`."
 msgstr ""
+"このマクロは :c:type:`Py_tss_t` 変数の初期化子に展開されます。\n"
+"このマクロは :ref:`Py_LIMITED_API <stable>` があるときは定義されません。"
 
 #: ../../c-api/init.rst:1461
 msgid "Dynamic Allocation"
-msgstr ""
+msgstr "動的メモリ確保"
 
 #: ../../c-api/init.rst:1463
 msgid ""
 
@@ -12,7 +12,7 @@
 # Arihiro TAKASE, 2017
 # mnamihdk, 2017
 # Osamu NAKAMURA, 2017
-# tomo, 2017
+# tomo, 2019
 # 
 #, fuzzy
 msgid ""
@@ -21,7 +21,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-02-03 10:33+0900\n"
 "PO-Revision-Date: 2017-02-16 23:06+0000\n"
-"Last-Translator: tomo, 2017\n"
+"Last-Translator: tomo, 2019\n"
 "Language-Team: Japanese (https://www.transifex.com/python-doc/teams/5390/ja/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -2327,7 +2327,7 @@ msgstr "もしくは、入力を :meth:`Context.create_decimal` を使って生
 
 #: ../../library/decimal.rst:2119
 msgid "Q. Is the CPython implementation fast for large numbers?"
-msgstr ""
+msgstr "Q. CPython 実装は大きな数に対しても速いでしょうか?"
 
 #: ../../library/decimal.rst:2121
 msgid ""
@@ -2342,3 +2342,7 @@ msgid ""
 "theoretic_transform>`_ for very large numbers.  However, to realize this "
 "performance gain, the context needs to be set for unrounded calculations."
 msgstr ""
+"A. はい。\n"
+"CPython 実装と PyPy3 実装では、 C/CFFI 版の decimal モジュールは、任意精度の正しい丸めを行う 10 進浮動小数点演算のための高速な `libmpdec <https://www.bytereef.org/mpdecimal/doc/libmpdec/index.html>`_ ライブラリを統合しています。\n"
+"``libmpdec`` は `Karatsuba multiplication <https://en.wikipedia.org/wiki/Karatsuba_algorithm>`_ を中程度のサイズの数に対して使い、 `Number Theoretic Transform <https://en.wikipedia.org/wiki/Discrete_Fourier_transform_(general)#Number-theoretic_transform>`_ を非常に大きな数に対して使います。\n"
+"ただし、このパフォーマンス向上を得るためには、計算で丸めが発生しないように context を設定する必要があります。"
@@ -7,7 +7,7 @@
 # 秘湯 <xwhhsprings@gmail.com>, 2017
 # Arihiro TAKASE, 2017
 # Naoki INADA <songofacandy@gmail.com>, 2017
-# tomo, 2018
+# tomo, 2019
 # 
 #, fuzzy
 msgid ""
@@ -16,7 +16,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2019-02-11 10:37+0900\n"
 "PO-Revision-Date: 2017-02-16 17:32+0000\n"
-"Last-Translator: tomo, 2018\n"
+"Last-Translator: tomo, 2019\n"
 "Language-Team: Japanese (https://www.transifex.com/python-doc/teams/5390/ja/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -216,31 +216,31 @@ msgstr "これらのドキュメントのダウンロード"
 
 #: ../../tools/templates/indexsidebar.html:3
 msgid "Docs by version"
-msgstr ""
+msgstr "バージョンごとのドキュメント"
 
 #: ../../tools/templates/indexsidebar.html:5
 msgid "Python 3.8 (in development)"
-msgstr "Python 3.7 (in development)"
+msgstr "Python 3.8 (in development)"
 
 #: ../../tools/templates/indexsidebar.html:6
 msgid "Python 3.7 (stable)"
-msgstr ""
+msgstr "Python 3.7 (stable)"
 
 #: ../../tools/templates/indexsidebar.html:7
 msgid "Python 3.6 (security-fixes)"
-msgstr ""
+msgstr "Python 3.6 (security-fixes)"
 
 #: ../../tools/templates/indexsidebar.html:8
 msgid "Python 3.5 (security-fixes)"
-msgstr ""
+msgstr "Python 3.5 (security-fixes)"
 
 #: ../../tools/templates/indexsidebar.html:9
 msgid "Python 2.7 (stable)"
 msgstr "Python 2.7 (stable)"
 
 #: ../../tools/templates/indexsidebar.html:10
 msgid "All versions"
-msgstr ""
+msgstr "全てのバージョン"
 
 #: ../../tools/templates/indexsidebar.html:13
 msgid "Other resources"