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【判断题】
叠加定理可以使用在非线性电路中。
A.
正确
B.
错误
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【单选题】The boat seesawed in the heavy sea.
A.
小舟在波涛汹涌的海中颠簸不已。
B.
小舟在波涛汹涌的海中来回穿梭。
【单选题】数控编程人员在数控编程时使用的坐标系是( )
A.
右手直角笛卡尔坐标系
B.
机床坐标系
C.
工件坐标系
D.
直角坐标系
【单选题】If a heavy sea strikes the rudder, the shock is transmitted through the tiller to _____.
A.
the tiller arms
B.
the swivel blocks
C.
hunting gears
D.
the rams
【单选题】If heavy sea strikes the ____ , the shock is transmitted through the tiller to _____.
A.
tiller arm; hunting gears
B.
tiller arm; the swivel blocks
C.
rudder, the swivel blocks
D.
rudder, rams
【单选题】在水中溶解度最大的溶剂是( )
A.
乙醚
B.
乙酸乙酯
C.
正丁醇
D.
氯仿
【单选题】A heavy steel device that is set on the sea floor and used as a drilling template in offshore drilling operations is called a ______.
A.
temporary guide base
B.
permanent guide base
C.
guide frame
D.
foundation template
【单选题】Heavy fuel oils when spilled are ______.
A.
more harmful to sea life than lighter oils
B.
easier to clean up than lighter refined oils
C.
less harmful to sea life than lighter oils
D.
not a real threat to marine life
【单选题】肉类脂肪大部分为
A.
不饱和脂肪酸
B.
必需脂肪酸
C.
饱和脂肪酸
D.
非必需脂肪酸
【单选题】When a sea anchor is used in landing stern first in a heavy surf, sternway is checked by ( ).
A.
slacking the tripping line and towing the sea anchor from the stern
B.
slacking the tripping line and towing the sea anchor by the holding line
C.
towing with the tripping line and leaving the holding line slack
D.
towing the apex end forward with the tripping line
【单选题】If a heavy sea strikes the rudder, the shock is transmitted through ___ to the rams, this cause a sudden increase in oil pressure in one of the cylinders.
A.
the control rod
B.
the hunting gear
C.
the floating ring
D.
the tiller arm
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