WCA is a trusted third authority with responsibility for issuing and managing digital certificates.
WCA作为一个受信任的第三方权威机构，负责发放和管理数字证书。
What should happen if a WCA delegate cannot attend a competition? Or leaves early because of sickness.
若wca代表不能前往，或由于身体原因提前离开，怎样处理？
All puzzle and puzzle part brands are allowed, as long as the puzzles comply with the other WCA regulations.
只要在符合WCA规则规定范围内的，可以使用所有品牌的魔方和魔方零部件。
Although these algorithms have improved WCA from different angles, most of these algorithms are mainly used in the network environment changing slowly.
这些算法虽从不同的方面对WCA算法进行了改进，但是这些算法主要应用于网络变化比较缓慢的环境中。
Water cascade analysis(WCA) technology was used to synthesize water use for continuous process, determine water pinch and minimize fresh water and wastewater.
利用水级联分析法对连续过程的用水进行分析，确定过程的用水夹点和最小新鲜水用量，并使过程产生的废水最小。
Water cascade analysis(WCA) technology was used to synthesize water use for continuous process, determine water pinch and minimize fresh water and wastewater.
利用水级联分析法对连续过程的用水进行分析，确定过程的用水夹点和最小新鲜水用量，并使过程产生的废水最小。
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