755.The purpose of such terms being to provide definitions which are of
practical value for technical communication.

　The intention of such terms is to provide definitions which have
practical value for technical communication.

　The purpose of such terms is to provide definitions with practical value
for technical communication.

　The aim of such terms is to provide definitions for practicing valuable
technical communication.

正确答案：A

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16.使压力接头适应皮托管端头。

15.更换磨损超标的组件。

14.A secondary system used to estimate the fuel quantity when the aircraft
is on the ground.

13.这种材料接触热表面时会释放出危险的气体。

12.在这种构型中,液压旁通此活门。

11.All related data shall be grouped in a logical manner.

10.IF FUEL ( ) ON THE GROUND, IMMEDIATELY GO TO A SAFE AREA.

9.This tool is used to align the mark on the cable tension regulator with
the related graduation on the fixed scale.

8.All range distances shall be expressed in nautical miles

7.One generator can supply power for all the systems.

755.The purpose of such terms being to provide definitions which are ofpractical value for technical communication.