一个是bool类型。
The Python interpreter provides the only two bool objects needed: True and False.
Python解释器提供这仅有的（也是必需的）两个bool对象：True和False。
Your new command will either be enabled or disabled, so use the bool (Boolean) menu attribute for configuration.
新命令可以启用，也可以禁用，因此我们对配置的菜单属性使用了bool (Boolean)值。
Right-click the class and add a template parameter with name T. Add operations such as isEmpty():bool ,getSize():int.
在此类上右击并添加一个名为T的模板参数。 添加诸如isEmpty():bool ,getSize():int之类的操作。
Base 128 Varint representations - int32, int64, uint32, uint64, sint32, sint64, bool, enum Varints are a method of serializing integers using one or more bytes.
基本的128Varint表示-int32,int64,uint32,uint64,sint32,sint64,bool,enumVarints是使用一个或多个字节来序列化整数的一种方法。
ToggleControllerModel (bool on) : sets the visibility of the controller model to the given Boolean state.
根据所给布尔值状态设置控制器模型的可见性。
By application of concentrative I/O, ladder chart and bool logic, PLC program design with complex logic is simplified, clarity and reliability of program logic are improved.
利用集中输入输出思想、梯形图编程方法和布尔逻辑运算，简化了复杂逻辑PLC程序的设计，提高了程序逻辑的清晰度和可靠性。
Bool jacket: Protective wrap-round to a book, usually made of paper. Also called jacket, Dust jacket.
护封：包卷书本的保护封套。它通常用纸造成。
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