-Z
6SE7021-0TA71
6SE7021-0TA84-1HF3
6SE7021-0TA84-6HF3
小戴：（） 传真： QQ：
一物体相对另一物体的位置随时间而改变，则此物体对另一物体发生了运动，此物体处于相对运动的状态。如果相互之间的位置并不随时间而改变，则此物体即在相对静止状态之中。因此，静止与运动两者都是相对的概念，与物体相对于选定的参照物有关。一栋楼房或一棵树对地球来说，它们是静止的；但对太阳来说，它们却都在运动着。当一列火车经过车站时，我们就说这列火车相对车站而运动。但是对在火车上的旅客，可以认为车站是在与火车运行相反的方向相对火车而运动。所以，在描述物体是否运动时，观察者必须选择一个参照物，然后根据所选定的参照物来确定物体是否运动。
小戴：（） 传真： QQ：
6GK7343-1CX10-0XE0 COMMUNICATION PROCESSOR CP 343-1 LEAN
6GK7080-0AA01-8BA0 DOCUMENTATION S7-CP/NCM S7
6GK7080-0AA01-8AA0 DOCUMENTATION S7-CP/NCM S7
6GK7443-1EX41-0XE0 COMMUNICATION PROCESSOR CP 443-1 ADV
6GK7377-1AA00-0AA0 COMPACT SWITCH MODULE CSM 377
6GK7443-1EX20-0XE0 COMMUNICATION PROCESSOR CP 443-1
6GK7343-1EX30-0XE0 COMMUNICATION PROCESSOR CP 343-1
6GK7343-1GX21-0XE0 COMMUNICATION PROCESSOR CP 343-1 ADV
6GK7343-1EX21-0XE0 COMMUNICATION PROCESSOR CP 343-1
6GK7443-5DX05-0XE0 COMMUNICATION PROCESSOR CP 443-5 EXT
6GK7443-5DX04-0XE0 COMMUNICATIONS PROCESSOR CP 443-5 EXT
6GK7343-1CX00-0XE0 COMMUNICATION PROCESSOR CP 343-1 LEAN
6GK7443-1EX40-0XE0 COMMUNICATION PROCESSOR CP 443-1 ADV
6GK7443-5FX02-0XE0 COMMUNICATION PROCESSOR CP 443-5 BASIC
6GK7343-1GX20-0XE0 COMMUNICATION PROCESSOR CP 343-1IT
6GK7243-1GX00-0XE0 COMMUNICATIONS PROCESSOR CP 243-1IT
6GK7343-2AH10-0XA0 CP 343-2P (AS-I V2.11)
6GK7343-1EX20-0XE0 COMMUNICATION PROCESSOR CP 343-1
6GK7243-1EX00-0XE0 COMMUNICATION PROCESSOR CP 243-1
6GK7343-1GX11-0XE0 COMMUNICATION PROCESSOR CP 343-1 IT
6GK7343-1HX00-0XE0 COMMUNICATION PROCESSOR CP 343-1 PN
6GK7443-5DX03-0XE0 COMMUNICATION PROCESSOR CP 443-5 EXT
6GK7343-5FA01-0XE0 COMMUNICATION PROCESSOR CP 343-5
6GK7343-1EX11-0XE0 COMMUNICATION PROCESSOR CP 343-1
6GK7243-2AX01-0XA0 CP 243-2 (AS-I V2.11)
6GK7443-1GX11-0XE0 COMMUNICATION PROCESSOR CP 443-1 IT
6GK7443-1EX11-0XE0 COMMUNICATION PROCESSOR CP 443-1
6GK7343-1EX10-0XE0 COMMUNICATION PROCESSOR CP 343-1
6GK7343-5FA00-0XE0 COMMUNICATION PROCESSOR CP 343-5
6GK7443-1EX10-0XE0 COMMUNICATION PROCESSOR CP 443-1
