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【简答题】
当力的作用线通过矩心时,该点的力矩为()。(填写数字)
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反馈参考答案：
举一反三
【单选题】Every candidate for certification as electro-technical officer shall follow an approved programme of ______ which is adequately documented in a training record book.
A.
ashore training
B.
onboard training
C.
simulated training
D.
school training
【单选题】Every candidate for certification as electro-technical officer shall be required to demonstrate the ability to operate______.
A.
electrical, electronic and control systems
B.
automatic control systems of propulsion and auxiliary machinery
C.
generators and distribution systems
D.
personal computers
【单选题】Every candidate for certification as electro-technical officer shall be required to_______ the ability to undertake the tasks, duties and responsibilities listed in column 1 of table A-III/6.
A.
. demonstrate
B.
learn
C.
conceal
D.
gain
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