JPD: the weather is always a challenge.
詹妮弗:天气对我来说总是挑战。
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。
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。
应用推荐