check key meaning in English

检验关键码
校验关键字
校验键
校正键

A process used to determine if data are inaccurate , incomplete , or unreasonable . note : data validation may include format checks , completeness checks , check key tests , reasonableness checks and limit checks
一种处理过程，用于确定数据是否不精确、不完整或不合理。注：数据证实可包括格式检验、完整性检验、检验键测试、合理性检验和范围检验。
The super ability key performs result : an all new and absolute surprising magic principle , magician unexpectedly the ability become a key of blank a new key that has teeth of a saw . magician needs the finger is one key , then the ability reply it original shape . the performance complete , the audience even can check key , and can not find any trace
神奇杯表演效果：超能力最高境界就是无中生有或来去无踪，此套魔术道具变化万千是全全世界喜爱魔术者必有的一套。不需多做介绍，拥有此套魔术者定能引人注目，充满自豪，学会后必成为人群中最受欢迎的人。