而另一些则仅仅是珊瑚和骸骨碎片的堆积.Others are merely accumulations of coral and skeletal debris.脊柱手术时发生肺动脉骨折碎片的弥漫性栓塞.Diffusive pulmonary embolism with bone fragments during spinal surgery.小碎片的破旧衣服和破布也可以加入.Small pieces of rags or cloth c...
Please describe the characteristics of hydroponic and front views of marketing.试论述水培花卉的特点?你对其市场前景有何看法?Nickel ( Ni ) absorption and accumulation in tea plants were studied by hydroponic and pot experiments.通过盆栽和水培试验,研究了镍元...