However, elements of type string do not appear as mandatory in the form because the schema accepts an empty value as valid input for a string.
但是，由于模式接受空值作为字符串的有效输入，因此，在表单中字符串类型的元素并不显示为必填的。
Listing 8. Styling of the submit type INPUT element, form-submit, in forms.css.
清单8. forms . css中submit类型的INPUT (form -submit)的样式。
Because I'm allowing users to type in free-form text, I need to be a bit more wary about the quality of their input.
由于我允许用户输入任意格式的文本，所以我需要留意他们的输入质量。
Older browsers that don't support the email input type will treat it as a regular text field, and the form still works with no markup changes or scripting hacks.
不支持邮件输入类型的老浏览器将它作为正常的文本域处理，而且可以在不改变标记和不使用脚本hack的情况下运行。
In these situations, one might apply additional input pulse weighting to form a class of MSK type signals which still maintain constant envelope and continuous phase.
在此情况下可以对输入数据符号进行加权处理，从而得到一类MS K信号，这类MS K信号仍为等幅波、相位仍保持连续。
In these situations, one might apply additional input pulse weighting to form a class of MSK type signals which still maintain constant envelope and continuous phase.
在此情况下可以对输入数据符号进行加权处理，从而得到一类MS K信号，这类MS K信号仍为等幅波、相位仍保持连续。
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