81、Illustrations should be used whenever they will simplify , shorten, or make the text easier to understand.

1156、 Those instructions are necessary to carry out the scheduled servicing.

1155、This specification will meet the applicable government regulatory requirements

1154、this specification was developed with the objective of minimizing the cost

1153、 This Specification has been developed in response to Federal Aviation Administration ( ) Advisory

1152、 this shows that you can install an alternative relay

1151、 This section must set forth each mandatory replacement time, structural inspection interval, and
related structural inspection procedure required for type certification.

1150、 This section gives you the procedures for the disassembly. 本节将为您提供拆卸的步骤。

1149.This section explains how to check flight instruments for recognizing a malfunction.
本节解释如何检查飞行仪器以识别故障。

1148、In some cases, wires are color coded and these should be indicated on the wiring diagram.

1147、文本应尽可能简明扼要。