查询词典 track down

track gauge widening：轨距加宽

轨距 track gauge;rail gage;rail gauge | 轨距加宽 track gauge widening | 轨底坡 cant of rail;rail cant

track bolt：轨道螺栓

tracing wheel 描迹轮 | track bolt 轨道螺栓 | track clearer 轨道清理机

stub-end type junction terminal：尽端式枢纽

混合形枢纽 combined type junction terminal | 尽端式枢纽 stub-end type junction terminal | 站线 siding; station track; yard track

I followed his track through the snow：我顺着他在雪地里的足迹前进

Hunters followed the lion's track. 猎人跟踪狮子的足迹. | I followed his track through the snow. 我顺着他在雪地里的足迹前进. | 11.apart from: except for 除开,撇开,除......以外

single-track magnetic system：单迹磁记录系统

single-tone keying 单音键控 | single-track magnetic system 单迹磁记录系统 | single-track recorder 单迹录音机

track oval：田径场

athlete 选手 | track oval 田径场 | track 跑道

track the scent of the big animal：跟踪大的动物

20. work as 充当,担当......工作 | track the scent of the big animal 跟踪大的动物 | track sb. to sp. 追踪某人到某处

multiple track：多磁道

multiple torch machine ==> 多炬气割机 | multiple track ==> 多磁道 | multiple track error ==> 多磁道错误

multiple track error：多磁道错误

multiple track ==> 多磁道 | multiple track error ==> 多磁道错误 | multiple tracks ==> 多道

multiple track railway：多线铁路

双线铁路 double track railway | 多线铁路 multiple track railway | 重载铁路 heavy haul railway

liquid helium：液态氦

除了路径积分及应用在量子电动力学的研究成果之外,费曼其它重要的研究贡献还有1953年发表有关液态氦(liquid helium)超流体理论,以及1969年提出的成子(parton)模型.

fly wheel nut wrench：装拆飞轮螺母扳手

fly wheel magneto 飞轮式永磁发动机 | fly wheel nut wrench 装拆飞轮螺母扳手 | fly wheel pump 飞轮泵