通用的纯粹机械的积分器是圆盘滚柱型.A common purely mechanical integrator is the disk - roller type.介绍了一种采用惠斯登电桥放大器 、 积分器、比较器等组成的电阻 - 频率变换器.A resistance - to - frequency converter using a bridge amplifier, an intergrator and a comparator ...
The strains of office are beginning to tell on the prime minister.首相开始感到公务繁忙的压力了。She could hear the tinny strains of a chamber orchestra.她能听见室内管弦乐队尖细的旋律。Every year new strains of influenza develop.每年都有新的流感病毒出现。...
Soil compaction may limit horizontal root extension.土壤的紧密度能限制水平根的扩展.The design and application effect of the horizontal twinroler machine for coal briquetting have been introduced.介绍了用于压制型煤的卧式对辊压球机的设计和应用效果.This hillock i...