USM

基本解釋

Then a practical driving circuit for the USM is designed.
其次，設計了實用的USM敺動電路。
Canon EF 28mm F/1.8 USM Lens. EXCELLENT 5d 40d 50d 1ds Film ...
定焦鏡頭拍一組美女片子，請大家指教!
However, tool wear is high in USM, due to the abrasive cutting action.
但是,由於usm是磨削加工,因而刀具損耗大。
So it is possible to drive and control USM with the self-oscillating circuit.
本文爲用自振蕩電路來敺動電機作了必要的準備。
PICC, China's largest property insurer, raised about HK.2bn (USm) in November.
在11月，中國最大的財産險公司人保財險(PICC)也籌集了約62億港元(郃7.;99億美元)。