The input set contains signals which may range from very slowly changing analog to high speed digital inputs.
输入所包括的信号可以从变化极慢的模拟量到高速数字输入。
Validation controls test user input, set an error state, and produce error messages.
验证控件测试用户输入,设置错误状态,并生成错误信息。
Validation controls test user input, set an error state, and produce error messages.
验证控件测试用户输入,设置错误状态,并生成错误信息。
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