rigorous
adjective uk/ˈrɪɡ.ər.əs/ us/ˈrɪɡ.ɚ.əs/
(CAREFUL)
approving严密的,缜密的;严谨的
careful to look at or consider every part of something to make certain it is correct or safe
rigorous testing/checking/methods 精确的测试/严格的检查/严谨的方法
(SEVERE)
严格的,严厉的
controlling behaviour in a severe way
the rigorous controls governing the sale of shares 对管理股权出售进行的严格控制