他们很多都不等医生的帮助就擅自服用，更没有接受系统临床试验的登记。
Most are doing so without the help of doctors, and none is enrolled in any systematic clinical trial of the substance.
美国Econolite公司开发的StrongPoint网络安全装置最近接受了Sword & Shield 企业安全公司的智能交通系统（ITS）易损性评估和渗透性试验。
Econolite’s StrongPoint network security appliance was recently the subject of an ITS network vulnerability assessment and penetration test performed by Sword & Shield Enterprise Security.
这些在1984年系统已经接受各种不同环境和天气情况下的刚性试验。
These systems had received rigid tests in various environment and weather conditions in 1984.
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