hand sugar refractometer

例句：

1. 1. The hand-held sugar refractometer isused to measure the refractive indexof sugar solutions.
   手持糖折射仪用于测量糖溶液的折射率。
2. 2. The hand-held sugar refractometer was inventedby a scientist who wanted to improve theaccuracy of sugar measurements.
   手持糖折射仪是由一位科学家发明的，他想要提高糖测量的准确性。
3. 3.The hand-held sugar refractometer is widely used infood science and industry for its convenience andaccuracy.
   手持糖折射仪在食品科学和工业中被广泛使用，因为它的便利性和准确性。