超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
FBIK+-代数(FBCC-代数)
FBIK+-algebra(FBCC-algebra
单代数的差积
different of a simple algebra
单代数的判别式
discriminant of a simple algebra
广义四元数代数
Generalized quaternion algebra
generalized quaternion algebras
基础R0-代数BR0代数
basis R0-algebra BR0-algebra
可交换四元数代数
commutative quaternion algebra
突水系数的单位涌水量法
water inrush coefficient-unit inflow