Once on the site, users could chat with other participants of the study in a kind of mini-Facebook setting.
用户在线时，可以通过mini-facebook与其他参与者聊天，交流感想。
The conclusion of this text is: through the study on soil nature and BP neural network , a holing parameter predicts models after setting up.
其结论为：通过对岩土性质及BP神经网络的研究，建立了一种新的钻孔间参数预测模型。
The article USES FDS to study the effect of environment temperature and setting position on the alarm time of smoke detectors.
用FDS软件研究了环境温度和水平安装位置对感烟型火灾探测器报警时间的影响。
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