研究人员用多种细胞和小珠测试这个系统，其中包括一些在光镊标准下较大的样品，并能够控制一个带20微米，或者百万分之一米的空心正方形。
They then tested the system with a variety of cells and tiny beads, including some that were large by the standards of optical tweezer work.
经试验测试产品性能符合MT668-1997《煤矿用阻燃钢丝绳芯输送带技术条件》标准。
By testing, performance of the product met the standard of MT668-1997 of technical conditions of steel cord conveyor belt applied to coal industry.
所切试片断面形状规整，无须再经任何预处理，即可在与之配套的树脂砂带打磨机上抛光成型，制成标准检测试片。
The test slice has regular shape. It can be polished with the polish machine to become a standard test slice.
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