度量衡




度量衡（どりょうこう）は、さまざまな物理量の測定、あるいは物理単位のことを言う。詳細は物理単位を参照。


字義的には、度は「長さ」および「さし（ものさし）」、量は「体積」および「枡（升、ます）」、衡は「質量」および「秤（はかり）」を表している。



関連項目



  • 単位

  • 計測機器


  • 伝統的な度量衡

    • 始皇帝

    • 聖書の度量衡

    • 日本の度量衡：尺貫法


    • 中国の度量衡（中国語版）：現在はメートル法が主で、補助的に市制が使われ、台湾ではメートル法と台制

    • 香港の度量衡（中国語版）

    • ヤード・ポンド法

    • 西洋度量考




  • 近現代の度量衡


    • メートル法 - メートル条約 - 国際単位系（SI）


    • 国際度量衡総会（CGPM）- 国際度量衡委員会（CIPM）- 国際度量衡局（BIPM）

    • 日本：度量衡取締条例（1875年 - 1891年） - 度量衡法（1891年 - 1952年） - 計量法（1952年 - ）






Popular posts from this blog

MongoDB - Not Authorized To Execute Command

Image
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ height:90px;width:728px;box-sizing:border-box; } 0 I have successfully enabled authorization on MongoDB and I have created an account on the admin database and then I created an account for my database called test. The following connection string to connect to my test database works successfully: mongo --host 192.168.17.52 --port 27017 -u user1 -p password --authenticationDatabase test Only problem I have now is, I cannot execute commands such as: show dbs. I get the following error when I try to do so: "errmsg" : "not authorized on admin to execute command { listDatabases: 1.0, lsid: { id: UUID("a1d5bc0d-bc58-485e-b232-270758a89455") }, $db: "admin...
Read more

How to fix TextFormField cause rebuild widget in Flutter

Image
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ height:90px;width:728px;box-sizing:border-box; } 0 I've got the same issue at #9280. I tried all solutions from that topic with/without GlobalKey for Scaffold and Form but the problem wasn't fixed. I tried to build a authentication form with login and signup. But the keyboard doesn't show when I tap the TextFormField at the first time. Then I try to input some letter from physical keyboard, the widget is rebuilt. Like this: login screen Nothing to be log when I run flutter run --verbose, so I logged manually. Every tapping on field, the widget called dispose -> init -> build. [√] Flutter (Channel beta, v1.0.0, on Microsoft Windows [Version 10.0.17763.195], ...
Read more

in spring boot 2.1 many test slices are not allowed anymore due to multiple @BootstrapWith

Image
1 I tried to upgrade a yummy sandwich made of two test slices (@JsonTest and @JdbcTest in my case, crunchy test code in between) adding spring boot 2.1 flavour to it. But it seems it was not much of a success. I cannot annotate my tests with many @...Test since they are now each bringing their own XxxTestContextBootstrapper. It used to work when they all used same SpringBootTestContextBootstrapper. @RunWith(SpringRunner.class) @JdbcTest @JsonTest public class Test { @Test public void test() { System.out.printn("Hello, World !"); } } The error I get from BootstrapUtils is illegalStateException : Configuration error: found multiple declarations of @BootstrapWith for test class I understand I might be doing something wrong here but is there an easy way I could load both Json and Jdbc contex...
Read more