low-grade

adj.

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

1. Cement below No.400 is low-grade cement.
   400号以下的水泥是低标号水泥。
2. Burning cheaper low-grade coal is more polluting.
   燃烧较便宜的低品位煤炭会造成更大的污染。
3. Thus, my diagnosis is low-grade epithelioid neoplasm, consistent with low-grade neuroendocrine tumor.
   我的诊断是低度恶性神经内分泌上皮样肿瘤，符合低级别神经内分泌肿瘤。
4. However, these countries have low-grade, low-cost products is still substantial demand for fasteners.
   然而，这些国家的低等级，低成本的产品仍然是对紧固件的需求很大。
5. Decomposition of low-grade rock phosphate with three strains of Bacillus subtilis, Pseudomonas sp.
   研究了枯草芽孢杆菌、假单孢菌和曲霉对低品位磷矿粉的分解作用。
6. 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
7. 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。
8. Low-grade petroleum reserves has a large proportion in the total petroleum resources in China.
   低品位石油储量在中国石油资源总量中占有很大的比重。
9. 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。
10. Although much of the high-grade ore has been used, there remains enough low-grade ore to last for centuries.
    品位高的富铁矿已经开采很多，品位低的铁矿还够开采若干个世纪。
11. 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
12. This test aims to find out a low-cost and simple new recovery technology, which can not only protect environment but also recycle qualified pyrite concentrate, for the refractory low-grade mine ores.
    本试验研究针对矿山低品位的难选矿石，寻找到一种既能保护环境又能从低品位矿石中回收合格硫铁矿精矿的成本低、工艺简单的回收新技术。
13. Process Mineralogy and Gravity Concentration on an Anshan-type Low-grade Hematite Ore
    一种鞍山式贫赤铁矿矿石的工艺矿物学和重选分离研究
14. 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。
15. But they sold high-grade resources to big investors and stopped prospecting, leaving low-grade gold ore unused.
    他们常常把高品位的资源卖给大投资商，却置低品位的金矿石而不顾，让它荒弃掉。
16. The leaching process studies on manganese and valued metal in typically low-grade polymetallic manganese oxide ore iron-manganese type kuestelite was carried out.
    对典型的低品位多金属氧化锰矿&铁锰型金银矿中锰及有价金属的浸出工艺进行了研究。
17. It perpetuates the reliance on low-grade means of pumping up growth. And it is not sustainable.
    它延续了对促进经济增长的低质量手段的依赖，而且是不可持续的。
18. 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。
19. A variety of chert containing magnetite and hematite; mined as a low-grade iron ore.
    一种含磁铁矿和赤铁矿的燧石，作为一种低等的铁矿石被开采。
20. A low-grade girl, forgetting to bring rain gear running in the rain, rain soaked her clothes.
    一个低年级的小姑娘，忘记带雨具了在雨中奔跑，雨水湿透了她的衣裳。
21. The jacket is made of some low-grade material.
    这件夹克是用某种劣等料子做的。
22. 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。
23. My son has had a low-grade fever for several days.
    我儿子已发了几天的低烧。
24. You have the charisma of a wet rag and the appearance of a low-grade bank clerk.
    您有一种湿抹布般的个人魅力，和一名银行低级职员的长相。
25. We have a low-grade fever of trade tensions and the temperature is starting to rise, he said.
    我们面临一场贸易紧张低烧'，而温度正开始上升，他说。
26. Now, from a performance point of view, high, medium, low-grade products that we have.
    现在，从一个角度，高，中，低档产品，我们的表现一点。
27. Low alkalinity flotation process is made on a low-grade porphyry Cu-Mo ore samples.
    针对某低品位斑岩铜钼矿矿样进行了低碱度浮选工艺研究。
28. 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
29. 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。
30. Suitable for welding of critical structures of low carbon steel and low-grade strength of low alloy.
    用于焊接较重要的低碳钢结构和强度等级较低的低合金钢。

adj

1. of inferior quality