JPD: the weather is always a challenge.

詹妮弗：天气对我来说总是挑战。

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JPD: Yeah, sometimes when I think about it, it does sound extremely daunting.

詹妮弗：是的，有时候我也会想，这听起来确实极其艰巨。

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Describes the construction and working process of JPD-1200 we developed, and compares it with. Other cathods by discussing their different features.

介绍了设备的结构、 组成及工作过程，对新型矩形双平面磁控溅射阴极及有关的各阴极进行了分析、比较。

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