Addition, subtraction, multiplication, and division are binary operations.
加、
、乘、除都是二元运算。
, 法法;去;
学;
题;;;学;
影血管造影；影血管造影术Addition, subtraction, multiplication, and division are binary operations.
加、、乘、除都是二元运算。
The difference is found by subtraction.
法得出差额。
Objective:To illustrate the value of digital subtraction dacryocystography in the diagnosis of lacrimal duct obstruction.
评价影泪道造影术在临床检查泪道阻塞中的应价值。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
