Profilesurvey is transportation, water conservancy, electric power engineering construction must be done.
断面测量是交通、水利、电力等工程建设中必须进行的工作。
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In the other categories, Canon's position as the world's largest manufacturer of digital cameras and office copying equipment cemented its strong profile among our survey respondents.
In addition to the TC4 campaign and AIM, a string of NASA climate-sensing satellites called the A-train is providing a global survey of the vertical profile of clouds.