Unlike the song sparrow, which repeats one of its several song types in bouts before switching to another, the warbler continuously composes much longer and more variable songs without repetition.
北美歌雀在切换到另一种类型之前，会一声一声地重复其中的一种，与之不同的是，北美歌雀会连续地创作更长的、更多变的歌曲，而不会重复。
Structure parameters of its variable intake system, such as diameter and length of intake manifold, switching speed of control valve switch, etc. , are optimized.
对该汽油机采用的可变进气系统的歧管直径和长度、控制阀开关的切换转速等结构参数进行了优化设计。
The author analyzes common ways to inspect the air throttle position sensors of linear variable resistor 'switching and decoding.
对线性可变电阻型、开关型、编码型节气门位置传感器常用的检修方法进行分析和探讨。
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