Seeking to understand the cutting of cable cords, ESPN has waded into the Nielsen Company’s audience sample and concluded that the cancellations are currently a “very minor” phenomenon.
为了搞清楚用户放弃有线电视的原因，ESPN调查了尼尔森公司的观众样本，得出的结论是目前停止使用有线电视的现象还十分微小。
They serve polishing after sample cutting and preparing before sample spectroscopic analysis in the laboratory of institutes, factories and mines.
适用于科研院校、厂矿试验室试样切割后研磨磨光、试样光谱分析前准备工作。
The black abstract material which sticks to inside crack of the sample machined by wire-electrode cutting is analyzed and studied by using scanning electron microscope and X-ray energy spectrometer.
应用扫描电镜及X射线能谱仪等设备，对采用线切割制取的裂纹样品内表面的黑色不明物进行了分析。
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