Clears all the input characters from the formatted string.

从格式化字串清除所有的输入字元。

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However, iPhones and other smartphones now offer an option in which users can input characters by drawing them onto the touch screen.

现在苹果手机和其他一些智能手机为使用者提供了触屏输入的功能。

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Clears all the editable input characters from the formatted string, replacing them with prompt characters, and then outputs descriptive information.

通过用提示字符替换可编辑输入字符，从带格式字符串中清除所有可编辑输入字符，然后输出描述性信息。

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Last month, Apple unveiled a host of new features tailored to Chinese users, including integrating its operating systems with Chinese Internet services and making it easier to input Chinese characters.

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Nokia also created a couple of handsets just for China, the 6108 and 3108, which use stylus input to handle written Chinese characters.

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On each image, the watch lets you input text and numbers, up to 24 characters with each image--so you can keep track of the names and phone numbers of people whose pictures you take, for example.

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