You need not have any understanding about it: a clear-cutrule is given and you follow it.
你不必对它有任何领悟:给出一种明文规定让你遵从。
2
Water displacement curve is the most common method for water cutrule study, productive index prediction and recoverable reserve calibration. There are more than 50 methods of such a kind nowadays.
驱替特征曲线法是研究油田含水规律、预测开采指标和标定可采储量最常用的方法,目前已形成50多种。
3
First, military budgets were cut after many Latin American nations turned their back on military rule in the 1980s.