true false test

基本解释

Logical filters perform tests on the variables and provide a true or false result based on the test.
Logical 过滤器将对变量执行测试并根据测试提供 true 或 false 结果。
Methods A activity of true or false iodized salt test was conducted in some school of Tong'an district.
方法在小学生中开展真假碘盐鉴别活动。
As described above, the Route node evaluates an expression, the result of which is then cast as a Boolean to produce a true or false test condition.
如上所述，Route 节点对表达式求值，结果将强制转换为布尔值，以生成真或假的测试条件。