As Long As Filament 等长于花丝
The condenser will provide a uniform distribution of energy at the film gate from an 8 mm long filament source.
一个8 mm长的灯丝光源所发出的光在经过聚光镜后，将在底片闸(film gate)上形成一均匀的能分布。
In MACSJ0717, a 13-million-light-year-long stream of galaxies, gas and dark matter -- known as a filament -- is pouring into a region already full of galaxies.
在130万光年长的MACSJ0717，气体和暗物质（就像灯丝一样）正在进入一个已经充满了星云的地带。
Apart from the tiny current trickling through its filament, the secret of the Centennial Light's long life is that it has rarely been turned off.
除了通过“世纪灯”灯丝的电流微弱外，这盏灯长寿的秘诀在于人们很少关掉它。
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