The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.

[名词解释] Necrotizing external otitis

[名词解释] Twisted Pair双绞线

[名词解释] 外部经济（External economy）

[主观题]E．xternal economies外部经济

[试题](b) Describe the advantages of external recruitment. (5 marks)

[试题](c) Acting as an external consultant to Semer, discuss the validity of the proposed strategy to increase gearing, and explain whether or not the estimates produced in (b) above are likely to be accurate. (10 marks)

[单选题]In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ().A．heel until the angle of loll is reachedB．list until the center of buoyancy is aligned vertically with the center of gravityC．trim to the side o

[单选题]When a vessel is inclined by an external force，the（）.A . shape of the vessel's underwater hull remains the sameB . vessel's center of gravity shifts to the center of the vessel's underwater hullC . vessel's center of buoyancy shifts t

[名词解释] External economies外部经济

[名词解释] 英译中：External logistics