通用的純粹機械的積分器是圓盤滾柱型.A common purely mechanical integrator is the disk - roller type.介紹了一種采用惠斯登電橋放大器 、 積分器、比較器等組成的電阻 - 頻率變換器.A resistance - to - frequency converter using a bridge amplifier, an intergrator and a comparator ...
There must be no delay in forwarding the goods.發送貨物不得延誤.About 2 years related working experience in airfreight or ocean forwarding industry.兩年以上相關空運或海運貨運代理操作經驗.Problems encountered while specifying the location for Moder...
它們還分泌蠟質的透明物質,稱作角質.They also secrete a waxy, transparent substance called cutin.里邊是一種綠色的軟膏, 有蠟質的光澤, 氣味濃郁,而且經久不散.Inside was a green paste, waxy in lustre, the odour curiously heavy and persistent.有些蚜蟲,看來喜歡有蠟質的葉片, 而這種葉片對另一些...