Double - wave length ultraviolet spectrophotometry for the determination of MPC and DPU is exact, fast and simple.采用双波长紫外分光光度法测定MPC和DPU的 含量具有准确 、 快速、简便等特点.The concept to realize virtual DPU on general Windows platform us...
The two sides met to put their signatures to a formal agreement.双方聚首签署一份正式协议。1.5 million signatures have been collected.已经收集到150万人的签名。These two signatures are very similar, can you tell them apart?这两处签名非常接近, 你能把它们区分开来 吗 ...