极长的换油周期，使用寿命是矿物油的6~8倍。
Extremely long oil cycle, service life is 6 ~ 8 times mineral oil.
这种较高次包层模谐振将导致极宽带的长周期光栅，论文中还预计了这种长周期光栅未来的应用。
Such higher order cladding mode resonances will result in ultra-broadband LPG. The possible application of such an LPG is predicted.
移动阴极：采用机械装置使被镀制件与极杠一起作周期性往复运动的阴极。
Mobile cathode: the mechanical device makes the plated with its poles together as a product of the periodic reciprocating motion cathode.
应用推荐