The schwarzschild radius is now known to be the radius of a non - rotating black hole , but was not well understood at that time 史瓦西半径就是现在知道的非旋转黑洞半径,但是在那时不是很好理解。
Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - machine sets in hydraulic power and pumping plants 机械振动.在非旋转部件上测量评价机械振动.水力发电厂和泵站机组
Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - reciprocating machines with power ratings above 100 kw 机械振动.对非旋转零件测量的机械振动评估.额定功率大于100kw的往复式机械
Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 4 : gas turbine driven sets excluding aircraft derivatives iso 10816 - 4 : 1998 机械振动.对非旋转部件进行测量以评定机械振动.第4部
Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 6 : reciprocating machines with power ratings above 100 kw iso 10816 - 6 : 1995 机械振动.在非旋转部件上的测量和评定机器振动.第6部
Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 6 : reciprocating machines with power ratings above 100kw 在非旋转部件上测量和评价机器的机械振动第6部分:功率大于100kw的往复式机器
Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - gas turbine driven sets excluding aircraft derivatives 机械振动.通过测量非旋转零件对机械振动的评估.不包括航空改型机的燃气轮机驱动装置
Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 5 : machine sets in hydraulic power generating and pumping plants 在非旋转部件上测量和评价机器的机械振动第5部分:水力发电厂和泵站机组
Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 4 : gas turbine driven sets excluding aircraft derivatives 在非旋转部件上测量和评价机器的机械振动第4部分:不包括航空器类的燃气轮机驱动装置
Photometric evaluation of projectors ; simplified evaluation of projectors with non - rotationally symmetrical luminous intensity distribution for use in film and television studios and stages 聚光灯的光学评估.电影电视摄影室和舞台用的非旋转
