指出这些外部因素对试验结果的影响经过认真操作和严格控制是可以降低或避免的，从而可提高试验结果的准确性。
It is pointed out that these outside factors can be reduced or avoided if operating and control strictly, so the accuracy of test results can be improved.
相机接口电缆可同时连接到外部电源通过显示器查看现场，还可通过USB连接直接到计算机中下载图像。它可轻便的在潜水中支持近，中，远程的操作。
A camera interface cable allows operators to simultaneously connect to external power, view the scene on a monitor, and download images to a computer through a USB connection.
该软件还具有c语言型解释性用户语言编程(ulp)功能，可实现工具的完全定制化，包括对外部文件执行存取和互动操作。
It also has a C-like, interpretive user language programming (ULP) facility that can be used to totally customize the tool including accessing and interacting with external files.
该软件还具有c语言型解释性用户语言编程(ulp)功能，可实现工具的完全定制化，包括对外部文件执行存取和互动操作。
It also has a C-like, interpretive user language programming (ULP) facility that can be used to totally customize the tool including accessing and interacting with external files.
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