1·They can detect ultrasound; this means that when a bat approaches, the moth can detect the bat's presence.
它们可以探测到超声波；这意味着当蝙蝠靠近，飞蛾可以察觉到它的存在。
2·Unfortunately, this means that disk utilities cannot properly detect the presence of such disks.
遗憾的是，这表示磁盘工具不能合理检测这种磁盘的存在。
3·It can detect the presence of people on the other side of a barrier by distortions to the reflected radio waves caused by their breathing or heartbeat.
它可以通过由人们呼吸和心跳所引发的，反射无线电波产生的扭曲，来探测障碍的另一边是否有人存在。
4·You detect the presence of your friend's soul through its affects on your friend's body.
你可以检测到你朋友的灵魂的存在，通过它对你朋友身体的影响。
5·The new camera could go much further, helping to detect the presence in fast-flowing blood of very rare cells, like tumor cells, that might be few in number but signify the early stages of a disease.
新技术将能对快速流动的血液中的细胞进行直接拍摄，有助于尽早发现血流中的少量染病细胞，如瘤细胞等。而这些细胞的存在则通常可以表征出人体疾病的早期症状。
6·The waves give us a biomarker to test for the presence of these bacteria, even when we can’t detect them with classical techniques like PCR.
这个电磁信号可以作为检测细菌存在与否的生理标记，尤其是当传统的检测方法，比如PCR不起作用的时候。
7·The waves give us a biomarker to test for the presence of these bacteria, even when we can't detect them with classical techniques like PCR.
这个电磁信号可以作为检测细菌存在与否的生理标记，尤其是当传统的检测方法，比如pcr不起作用的时候。
8·This bypassed the problems associated with jellyfish collection and made it much easier to use bioluminescent reactions to detect the presence of calcium ions.
这就化解了和捕捉水母有关的难题，并且让使用生物荧光反应来侦测钙离子变得更加简单。
9·The airborne processing system can simultaneously and continuously detect and track the presence and motion of thousands of small or large targets over an area covering tens of square miles.
机载处理系统能够同时和连续地探测和跟踪数十平方英里面积内出现的数千个小型或大型目标。
10·The best part at thiscool telephone is that it will call to a preset number every time when thealarm is activated and it will detect a moving presence.
最令人叫绝的地方是，这款电话每次激活警报并发现移动物时都会向一个预设号码拨电话。