low-grade

英 [ˌləʊ ˈɡreɪd]

美 [ˌloʊ ˈɡreɪd]

adj.  质量差的; 劣质的; 不太严重的; 轻度的

医学

牛津词典

adj.

• 质量差的；劣质的
  of low quality
• 不太严重的；轻度的
  of a less serious type
  1. a low-grade infection
     轻度感染

英英释义

adj

• of inferior quality

双语例句

• To be awarded in high, medium and low-grade specifications of the various products.
  可以承接高、中、低档等各种规格的产品生产。
• The high-purity manganese carbonate is prepared by leaching manganese with sulfur dioxide, removing impurities, carbonating and crystallizing from Xiangtan's low-grade manganese ore.
  采用湘潭低品位的贫软锰矿为原料，对二氧化硫气体湿法浸锰、浸出液除杂、碳化结晶制备高纯碳酸锰的工艺进行了研究。
• Mineral processing technology study on a low-grade iron ore in Hebei
  河北某低品位铁矿选矿工艺流程研究
• My son have have a low-grade fever for several day.
  我儿子已发了几天的低烧。我发高烧，怎么办？晚上，我发起烧来。
• The most common adverse reactions following mumps vaccination are parotitis and/ or submaxillary gland swelling and low-grade fever.
  在接种流行性腮腺炎疫苗后最常见的不良反应是腮腺炎和/或颔下腺肿胀以及低热。
• Cement below No.400 is low-grade cement.
  400号以下的水泥是低标号水泥。
• Context: Low-grade albuminuria was reported to be associated with cardiovascular risk factors.
  背景：已报道低水平白蛋白尿与心血管危险因素相关。
• The method, experimental equipment and results of column leaching were presented for low-grade copper sulfide ore.
  介绍了含砷低品位硫化铜矿柱浸实验研究方法、装置和结果。
• Study on Flotation Behavior and Electrochemistry of Major Sulfide Minerals in Nickel Sulfide Ore with Low-grade
  低品位硫化镍矿中主要硫化矿的浮选行为及电化学研究
• Development& practical use of technology of low-grade iron ore resource utilization
  低品位铁矿资源利用技术的发展与实践