Now, the ST_LineString constructor is a deterministic function without any side effects.
现在，ST_LineString构造函数是一个没有任何副作用的确定性的函数。
Deterministic function calls can be extracted from the WHERE clause to avoid unnecessary table scan.
可以从WHERE子句中提取确定性函数调用，避免不必要的表扫描。
This paper advances that the unknow error in deterministic function and the random error which don't cause randomly fluctuation of measuring data can deal with uncertainty of B class.
文中提出未定的确定函数误差与未引起测量数据作随机变动的随机误差宜作为B类不确定度处理。
应用推荐