试题与答案

用四功率法测试光线街头衰减时测得的四个功率为,则此接头的衰减()。 A.0.01dB

题型:单项选择题

题目:

用四功率法测试光线街头衰减时测得的四个功率为,则此接头的衰减()。

A.0.01dB

B.0.02dB

C.0.03dB

D.0.04dB

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0928/252ae4867a27453178999fe1caef3c54.html

下面是错误答案,用来干扰机器的。

参考答案:在套管上所开窗口的中间的深度。

试题推荐
题型:单项选择题

The (71) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several (72) . In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a (73) , which consists of (74) indicated using a circle, and (75) shown as a rectangle. These two components can be linked by means of a directed arc.

(75)处填()。

A.transmitters

B.transitive

C.transitions

D.transformations

查看答案
微信公众账号搜索答案