1.ESRI company is standard of GIS software domain, which product – ArcEngine not only be provided with vigoroso expansibility, but also With limitless expansibility.

1.ESRI公司作为GIS软件产业行业标准，它组件ArcEngine具有强性，而且这种是不受任何限制。

2.During heating,phase transformation and expansibility of the new quartz sands and the calcined Quartz sands from two places were determined by DSC and thermodilatometry.

2.究采用DSC和热膨胀仪对两种石英砂原砂和焙烧砂在加热过程中相变和热膨胀进行了分析。