update translations for master/6.3

and force-fix errors using pocheck

Change-Id: I04bf6657f97cf2dc94f272f401bc961a60d2fc54

source/zh-CN/starmath/messages.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: https://bugs.libreoffice.org/enter_bug.cgi?product=LibreOffice&bug_status=UNCONFIRMED&component=UI\n"
 "POT-Creation-Date: 2019-05-31 14:55+0200\n"
-"PO-Revision-Date: 2019-04-27 23:03+0000\n"
+"PO-Revision-Date: 2019-05-31 18:23+0000\n"
 "Last-Translator: Dian LI <xslidian@gmail.com>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: zh_CN\n"
@@ -13,8 +13,8 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
 "X-Accelerator-Marker: ~\n"
-"X-Generator: LibreOffice\n"
-"X-POOTLE-MTIME: 1556406206.000000\n"
+"X-Generator: Pootle 2.8\n"
+"X-POOTLE-MTIME: 1559327023.000000\n"
 
 #: starmath/inc/smmod.hrc:16
 msgctxt "RID_UI_SYMBOLSET_NAMES"
@@ -1654,27 +1654,27 @@ msgstr "示例"
 #: starmath/inc/strings.hrc:285
 msgctxt "RID_EXAMPLE_CIRCUMFERENCE_HELP"
 msgid "Circumference"
-msgstr ""
+msgstr "周长"
 
 #: starmath/inc/strings.hrc:286
 msgctxt "RID_EXAMPLE_MASS_ENERGY_EQUIV_HELP"
 msgid "Mass–energy equivalence"
-msgstr ""
+msgstr "质能等价"
 
 #: starmath/inc/strings.hrc:287
 msgctxt "RID_EXAMPLE_PYTHAGOREAN_THEO_HELP"
 msgid "Pythagorean theorem"
-msgstr ""
+msgstr "勾股定理"
 
 #: starmath/inc/strings.hrc:288
 msgctxt "RID_EXAMPLE_A_SIMPLE_SERIES_HELP"
 msgid "A simple series"
-msgstr ""
+msgstr "简单序列"
 
 #: starmath/inc/strings.hrc:289
 msgctxt "RID_EXAMPLE_GAUSS_DISTRIBUTION_HELP"
 msgid "Gauss distribution"
-msgstr ""
+msgstr "高斯分布"
 
 #: starmath/inc/strings.hrc:291
 msgctxt "RID_FONTREGULAR"
@@ -1999,7 +1999,7 @@ msgstr "元素"
 #: starmath/uiconfig/smath/ui/dockingelements.ui:27
 msgctxt "dockingelements|ElementCategories|tooltip_text"
 msgid "Element categories"
-msgstr ""
+msgstr "元素类别"
 
 #: starmath/uiconfig/smath/ui/fontdialog.ui:16
 msgctxt "fontdialog|FontDialog"