touch needle

• 探针,试针

touch needle的用法和样例：

例句

1. Touch the ohmmeter probes to the two wires sticking out of the dry sand.
   将欧姆表探针连接到插入干燥沙子中的两条电线上。
2. Because the nanotube is attached to a much larger probe, the researchers can manipulate the nanotube like a needle.
   因为纳米管是附加到一个更大的探针上，研究人员就能象控制针一样控制它。