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

ESRI公司作为GIS软件产业的行业标准，它的件ArcEngine有强大的扩性，而且这种扩是不受任何限制的。

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.

本研究采DSC膨胀仪对两种石英砂的原砂焙烧砂在加过程中的相变膨胀进行了分析。