factorial development分段显影;系数显影法;[摄] 因子显影
factorial validity因素效度
inverse factorial反阶乘
Full Factorial全因子;全因子法;全模型
factorial method要因加算法;因子加算法;解析法
factorial approach因素考量说
generalized factorial广义阶乘
factorial ship加工船
N（名词） the product of all the positive integers from one up to and including a given integer. Factorial zero is assigned the value of one: factorial four is 1×2×3×4. Symbol: n!, where n is the given integer 阶乘
ADJ（形容词） of or involving factorials or factors 阶乘的