一兆帕
0
一兆帕等于多少公斤？
施忠禹 2021-03-28 10:58 不能混淆这两个概念，帕（帕斯卡）是压强单位，公斤力是力学单位（单位是牛顿）。“1兆帕”是帕（斯卡）的100万倍，即1兆帕＝1000000帕斯卡。“帕斯卡”是压强的单位：一平方米的面积[详细]
2023-03-12 18:18 分类：问答Do I have to call release on an objective-c retain class variable when setting it to a new object?
Say I have: @pro开发者_JS百科perty (nonatomic,retain) NSString *foo; in some class. And I call: myclass.foo = [NSString stringWithString:@\"string1\"];[详细]
2022-12-28 14:53 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......