千分之一公分

例句：

1. 1. The thickness of the material is measured in thousandths of a millimeter.
   材料的厚度是以千分之一毫米为单位测量的。
2. 2. The engineer used a ruler to measure the length of the wall.
   工程师用尺子测量了墙的长度。
3. 3.The doctor measured her blood pressure and checked her pulse rate.
   医生测量了她的血压并检查了她的脉搏速率。