文本 - 南京中医药大学图书馆
文本 - 南京中医药大学图书馆
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
逻辑算符的先后次序<br />
当使用多个运算符时可用扩号决定优先顺序,一个检<br />
索式中最多可使用50个运算符<br />
NEAR/x<br />
SAME<br />
NOT<br />
AND<br />
OR
Hooray! Your file is uploaded and ready to be published.
Saved successfully!
Ooh no, something went wrong!
Change language