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【单选题】
以初速度v 0 将一物体斜向上抛出,抛射角为 ,不计空气阻力,在 时刻该物体的( )A.
法向加速度为g
B.
法向加速度为
C.
切向加速度为
D.
切向加速度为
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举一反三
【单选题】在堆栈内,有效地址为2500H到2505H单元内依次存放10H、20H、30H、40H、50H、60H六个数,已知SP=2502H,执行POP BX指令后,有( )。
A.
SP=2502H，BX=1020H
B.
SP=2504H、BX=4030H
C.
SP=2504H，BX=3040H
D.
SP=2500H，BX=2010H
【单选题】An operations strategy reflecting the lean philosophy of production should recognize that lean:
A.
is most suited for non-repetitive manufacturing
B.
cannot be implemented sequentially
C.
requires a wholesale commitment from the outset
D.
may provide a competitive advantage
E.
all of the above
【单选题】What are the advantages of lean production?
A.
Fewer detects are produced.
B.
It avoids the high cost of craft production.
C.
It produces products in enormous variety.
D.
All of the above.
【判断题】Lean production systems incorporate the advantages of both mass production and craft production.
A.
正确
B.
错误
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