It can be add protection circle to increase protection grade: IP54.
可另加防护圈，提高防护等级为IP54。
The legal protection of jewelry design is becoming highly concerned by the jewelry circle.
珠宝首饰设计的法律保护问题日益引起珠宝界的关注。
How to provide the more reasonable legal protection of the computer software has been a problem which the legal circle has to face.
如何对计算机软件提供更合理的法律保护，成为法律界面对的问题。
How to provide the more reasonable legal protection of the computer software has been a problem which the legal circle has to face.
如何对计算机软件提供更合理的法律保护，成为法律界面对的问题。
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