Multiple structures of the system's DC/DC converters used to control type soft switching technology to achieve efficiency reduce wear and tear purposes.
对系统中多重结构的DC/DC变换器使用了控制型软开关技术，达到了进步效率、减小损耗的目的。
2
Tear circle type grinding chamber; two options for rotors, therefore the particle size and capacity can be optimized.
水滴型粉碎室，可选用大小两种转子配置，兼顾粉碎成品细度和产量。
3
Objective To study tear secretion and tear film function in type 2 diabetic patients.