In this case, you might lack setter methods to modify field properties and, instead, rely on constructors to set these values.

在这种情况下，您可能会缺少用于修改字段属性的setter方法，相反，您依靠构造器来设置这些值。

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You may want to click on one of the underlined properties to read the descriptions of each field in case you want to modify one of the fields after you get this sample running.

万一您想在运行这个样本后修改其中一个域，则可以单击一个加了下划线的特性以读取该域的描述。

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Thus the ions are continuously accelerated to implant the sample surface by the change electric field of the sheath, so as to achieve to modify the surface properties.

在鞘层中电场的作用下，离子被源源不断地加速注入到样品表面，从而达到改善材料表面性能的目的。

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