ballast

noun

1. any heavy material used to stabilize a ship or airship

2. an electrical device for starting and regulating fluorescent and discharge lamps

Synonym: light ballast

3. a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)

Synonym: ballast resistorbarretter

4. an attribute that tends to give stability in character and morals
something that steadies the mind or feelings

5. coarse gravel laid to form a bed for streets and railroads

verb

1. make steady with a ballast

1. 压舱物；镇重物
Ballast is any substance that is used in ships or hot-air balloons to make them heavier and more stable. Ballast usually consists of water, sand, or iron.

1. 镇流器：4.镇流器(Ballast)有寿命限制吗? (在那种情况下会烧毁)氙气灯( HID )的发光原理汽车 HID 氙气灯与传统卤素灯不同,这是一种高压放电灯,它的发光原理是利用正负电刺激氙气与稀有金属化学反应发光,因此灯管内有一颗小小的玻璃球,

2. ballast

2. 压舱物：另一部圣丹斯影片<>(Ballast)走的更远,影片本来已经卖给了IFC,可最终制片人后悔了,他拿回了发行权自己发行,又找了河滨大道发行公司(Strand更多的发行方式在今年一月的圣丹斯电影节上,电影制作者科拉•

3. 压载：如何辨认:位于露井(Cockpit)最后方且服装颜色与众水手不同,通常为船主本人或其宾客. 应备条件:胆识. 第十八人必须经常抓牢以免自身掉落海中. 第十八人还必须将自身当作是压载(Ballast),不时随游艇的侧倾(Heeling)而从这一舷移到另外一舷.

4. ballast什么意思

4. 镇流管：国际整流器公司(IR),推出该公司的镇流管(ballast)设计软体最新版本. 全新IRPLBDA2软体只需简单的五个步骤,便可输出完整的镇流管设计、物料清单(BOM)及电路图(schematic)等相关资料,有效地将产品上市时程由数个月缩短至数周.