为了简便，研究人员常常使用比重而不使用密度。
To make this simpler, research workers often use specific gravity instead of density.
不正确的介质类型-请使用高密度软盘。
Incorrect media type - please use a high density floppy disk.
使用大苗造林，增加造林密度。
Use afforestation of big young plant, increase afforestation density.
在外部使用的钢材，意在创建一个高密度，重，冷和粗糙的感觉。
On the exterior the use of steel creates a dense, heavy, cold and rough sense.
产品特点：材质优良，加工细腻，精密度高，光洁度好，耐磨性强，使用寿命长。
Features: Material fine, fine processing, high precision, finish good, strong wear resistance, long life.
高精密度变速箱设计噪音降低，临床使用性能更稳定。
Gear box of high precision reducing noise and making more stable performance in clinical case.
使用国家标准溶液作为质控样，对方法的精密度和准确性做了验证。
The precision and accuracy of method were measured with national standard sample.
该方法简单，准确度和精密度高，具有使用价值。
This method is simple, accurate, and has good application value.
该方法简单，准确度和精密度高，具有使用价值。
This method is simple, accurate, and has good application value.
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