1.Autopolyploidy A type of polyploidy involving the multiplication of chromo-some sets from only one species.
通常是由同一个体，同一纯种的染色体数目加倍而成的多倍性现象。
2.Addition, subtraction, multiplication, and division are binary operations.
加、、乘、除都是二元运算。
3.The teacher hammered away at the multiplication tables.
老师一再朗读乘法表。
4.The teacher hammers away at the multiplication tables.
老师念诵乘法表。
5.The teacher quizzed the pupils on the multiplication tables.
老师测试了学生们对乘法表的掌握。
6.We had multiplication tables drilled into us at school.
以前我们上学得背诵乘法表。
7.Divisor scalar multiplication is the key operation in hyperelliptic curve cryptosystem.
除子标量乘是超椭圆曲线密码体制中的关键运算。
8.Multiplication and addition are associative operations.
乘法和加法是结合性运算。
9.This paper discusses the structure, calculation of multiplication and power, eigenvalue and eigenvector, and diagonalizable problems of matrix of rank equal to 1.
, 
率；增殖
、
念诵乘法表。
