It is understood that compliance with the above can in some instances cause duplication of test procedures, which is acceptable.

A. All publications shall use the standard numbering system.

B. All documents and materials shall use the standardized numbering index system.

C. All publications shall use the standard numbering system for indexing.

A. 这些装置能够在地面上用于稳定飞机并防止飞机因接触地面而造成损害的装置。包括减震支柱、防滑轮挡、机轮等。

B. 这些装置用于支撑在地面上的飞机并防止飞机因接触地面而造成损坏。它们包括减震支柱、防滑板、车轮等。

C. 这些装置用于支撑在地面上的飞机并防止飞机因接触地面而造成损坏。它们包括减震支柱、防滑板、车轮等。

A. 两个半圆形的挡板控制空气流。

B. 两个半导体的金属圈控制空气流。

C. 两个半圆形的金属圈控制空气流。

A. The manufacturer shall prepare all text in either one or two columns with justification at his own discretion , but, two columns are preferable for readability.

B. Manufacturers shall prepare all text both in one and two columns separately; however, two columns are better for reading.

C. According to the manufacturer＇ explanations, all text shall be prepared in one or two columns; however, two columns have better visual effect.

A. 刮痕的最大长度为5英寸。

B. 裂缝的最大长度为5英寸。

C. 刮痕的最大长度为5英尺。

A. 批准的修理部分应包括执行修理所需的工艺和技术。

B. 批准的修理部分应包括科学和技术，需要进行修理。

C. 申报的加工部分应包括进行加工所需的措施和技术。

A. The AFDS monitors three separate autopilot channels and a single Mode Control Panel(MCP)

B. The AFDS constitutes three separate autopilot channels and a single Mode Control Panel(MCP)

C. The AFDS contains three separate autopilot channels and a single Mode Control Panel(MCP)

A. In technical texts, you can use abstractions to make sentiments shorter and easier to read.

B. In technical texts, you can use abbreviations to make sentences shorter and easier to read.

C. In technical texts, you can use abstractions to make sentences shorter and easier to understand.

A. If there is a available service bulletin to correct the problem of moisture ingress into the connector cavity,the letter then will be useless.

B. Refer to this letter to help mitigate moisture ingress into the connector cavity even if there is a available service bulletin to correct the problem.

C. If there is a available service bulletin to correct the problem that moisture ingress into the connector cavity, the letter then will provide procedures .

A. 在移动控制杆（器）前，检查锁定状态。

B. 请在完成解锁前移动控制杆（器）。

C. 移动控制杆（器）之前先解锁。