sample region

• 样区

sample region的用法和样例：

例句

1. Wash the sampling region with little eluent three times and on each time, make sure the washing eluent flow completely into the gel.
   用少量洗脱液清洗层析柱加样区，共洗涤三次，每次清洗液应完全进入凝胶柱内后，再进行下一次洗涤。