Based on much literature, the principle of the DIAL system in detecting chemicals and the various factors that influence the laser signal intensity are investigated in detail in this paper.

本文在参考了大量文献的基础上，对差分吸收激光雷达探测化学毒剂的原理进行了深入分析，对影响激光回波强度的各种因素进行了详细的讨论。

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The driver will use a telephone to dial instructions about his destination into the system.

司机将用电话把目的地的相关说明输入系统。

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You'll learn how to set up and configure a Remote authentication Dial-In user Service server (RADIUS) on a Linux system to perform authentication, authorization, and accounting (AAA) for users.

您将学习如何在Linux系统上建立和配置一个Remote Authentication Dial - in User Service服务器(RADIUS)，以执行对用户的验证、授权和记帐(AAA)。

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We had our computers dial our phone system to make it seem like we were a busy company receiving a lot of calls.

FORBES: How Small Business Owners Walk the Ethical Line

Second, every failed attempt to dial a PLDT number clogs our system.

CNN: BUSY SIGNALS

Also, T-Mobile has not been able to get my 911 address correct in their system, and if I dial for help right now, the police will see the address in their database as the T-Mobile store on Broadway, some 250 miles from my home, which they insist does not exist, despite the fact that I have owned it for 20 years.

FORBES: Unlocking Your iPhone Could Save You Big, At Home And Overseas UPDATE