The statistics data is stored in a format that can be easily compressed and passed for viewing to any site that has an observer network trending viewer installed 时自动启动网络趋向模式。统计数据以易于压缩的格式保存，并可传递到任何安装有
The doppler effect can be likened to an ambulance siren . an observer will notice that the pitch of the siren rises as the vehicle approaches and falls as it departs 多普勒效应如同救护车响号-当救护车走近时，声调会升高；远离时，声调则会降低。
None of this had escaped the count , and even by this mere contact of individuals the scene had already acquired considerable interest for an observer 这一切都没逃过伯爵的眼睛仅以所接触的这些人物来讲，这个场面在一个旁观者眼里已经是够有趣的了。
To an observer standing in front of a plane mirror , the image formed has always the same size as the observer . it appears smaller only because it is farther away 观察者利用平镜所看到的镜像与观察者的大小相同，只是由于镜像距离较远，所以看来较小。
To an observer standing in front of a plane mirror , the image formed has always the same size as the observer . it appears smaller only because it is farther away 观察者利用平镜所看到的镜像与观察者的大小相同，只是由于镜像距离较远，所以看来较小。
Elizabeth , who had expected to find in her as acute and unembarrassed an observer as ever mr . darcy had been , was much relieved by discerning such different feelings 伊丽莎白本以为她看起人来也象达西一样尖酸刻薄，不留情面，现在见她并不如此，倒放下了心。
Gazing on the homeland , its mountains and rivers , evoked so many emotions , and so intense , that he was no longer able to distinguish whether he was an observer or a participant 但是面对祖国山河，感情澎湃激动，已无法分辨自己是一个观察者，还是一个参与者。
As a rule of thumb , if the sound of thunder reaches an observer three seconds after a lightning flash , the thunderstorm is about one kilometre away from the observer 简单来说，在看见闪电后三秒才听到雷声，表示雷暴距离观察者约一公里，真正的距离依时间长短按比例计算。
As a rule of thumb , if the sound of thunder reaches an observer three seconds after a lightning flash , the thunderstorm is about one kilometre away from the observer 简单来说，在看见闪电后三秒才听到雷声，表示雷暴距离观察者约一公里，真正的距离依时间长短按比例计算。
