恒功率型负载的机械特性是负载转矩与转速成正比。( )
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app.js 文件是小程序的逻辑文件(定义全局数据、定义函数的文件)。
A. 对
B. 错
tabBar 是一个对象,它可以配置标签导航文字的默认颜色、选中颜色,标签导航背景色及上边框颜色。。
A. 对
B. 错
app.wxss 文件是对所有页面定义全局样式。
A. 对
B. 错
31. According to the first paragraph, the process of discovery is characterized by its
A. [A] uncertainty and complexity.
B. [B] misconception and deceptiveness.
C. [C] logicality and objectivity.
D. [D] systematicness and regularity.