default initial value

基本解釋

Even the initial default value will inherit in this way.
即使最初的默認值也將按照這種方式繼承。
The default value for the polling interval is 30 seconds and is appropriate for initial testing or for small production environments.
輪詢間隔的缺省值為 30 秒，適合于初始測試或小型生產(chǎn)環(huán)境。
With this control, the validation fails if the input value does not change from its initial value. By default, the initial value is null.
通過該控件，如果輸入值并為將原始值改變，那么驗證失敗。默認情況下，原始值都是空值。
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