check zero的相关资料：
临近单词
checkrow
check
check-and-balance of stock ownership
Checks for loop termination conditions.
Check-and-balance Ownership Structure
Check stability calculation and report.
checking references and other information
Checkin your hand-edited source code.
Checking information is very important.
checking and measuring quantitative forms
checking and ratifying staff establishment
Check valves are automatically actuated.
