它跨度近240光年，位于猎户座旋臂里，离地球3,800光年远；而我们的太阳系也在银河系同样的旋臂中。
It is located 3, 800 light-years away from Earth, inside the Orion spur — the same partial spiral arm of the Milky way where our solar system is located. The nebula is nearly 240 light-years across.
针对某款客车带有转向中间臂的转向杆系出现的问题，利用系统动力学分析软件ADAMS进行分析，找出问题并进行设计改进。
The paper aims at the problems of steering linkage with transition pitman arm of a bus, uses system dynamics software ADAMS to check and find out the problems, and then improves the design.
浮吊结构包括臂架、变幅钢丝绳、系固钢丝绳、桁框架、人字架、配重箱、回转底盘总成及回转支承等部件。
Floating crane structure mainly include boom, amplitude varying wire rope, tied back wire rope, truss frame, A-frame, counterweight box, rotating machinery base, and rotary bearing structure.
利用坐标测量臂和激光跟踪仪的大尺寸测量能力，对传感器坐标系进行全局校准，提高校准的精度和效率。
The global calibration of sensor coordinates is accomplished by coordinates measurement arm and laser tracker, improving calibrated precision and efficiency.
的小麦品种、系携带1RS染色体臂。
0% of the detected cultivars and lines carrying 1RS chromosome arm.
的小麦品种、系携带1RS染色体臂。
0% of the detected cultivars and lines carrying 1RS chromosome arm.
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