WebSphere MQ总是使用后缀空格填充值，但这些值在作为命令传递到操作系统时会导致问题。

WebSphere MQ always pads values with trailing Spaces and these cause problems when passed to the operating system as commands.

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D {format}：括弧里的字符串被传递给strftime(3)函数，返回值填充到提示符中。如果不传参数，会按照系统默认的当地时间格式来显示。

D {format} : the format is passed to strftime (3) and the result is inserted into the prompt string; an empty format results in a locale-specific time representation.

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本文论述了用调制传递函数面积值（简称MTFA）评价望远系统象质的适用性；

The feasibility of MTFA (modulation transfer function area) for assessing imaging quality of visual telescopic systems is described.

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