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- We must trace the source of these noxious gases. 我们必须查出毒气的来源。
- No one has yet been able to trace the source of the rumour. 许多探险家都尝试过追溯那条河流的源头，但是都失败了。
- We must trace the source of these noxious gases before they asphyxiate us. 在我们被这些有毒气体窒息之前,必须查出其来源。
- He searched the grass and trees around the cotton fields to trace the source of the aphids. 他在棉花地周围的草丛、树干上找寻蚜虫产生的根源。
- They have been able to trace the source in fewer than 40 per cent of reported cases. 已报道的病例中，找到病原的不到40%25。
- The expedition is tracing the source of the river. 探险对正在探索河流的源头。
- They want specific products, they want quality guarantees and they want to be able to trace the source of the food. 它们需要特定的产品，需要可靠的质量，还希望能够追踪食品的来源。
- Fox today said: "We will be closely download resources to trace the source of the upload, and recourse to law to solve this problem. 福克斯公司今日表示：“我们将严密追查下载资源的上传源头，并诉诸于法律解决这一问题。
- Studying the source of tax cases and widen channels to trace the source of tax cases still remain the main task of public security economic investigation organizations. 研究涉税犯罪案源状况,拓宽税侦工作案源渠道,已经成为公安经侦部门急需解决的问题。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- The department has been very concerned about every forgery case. To smash forgery syndicates, thorough investigations will be conducted on users to trace the source. 本处对每宗伪造证件的个案极为重视,必定对之深入调查,并从伪证使用者套取该伪证的来源,务求能将背后的伪证集团破解。
- The kids are learning to trace the letter. 孩子们学描字母。
- Tracing the source of exception while it is in process of being thrown. 在抛出异常的时候追踪异常的来源。
- The result proves that Static ARP Table can overlook ARP response, ARPWATCH can trace the source of the hackers,Transmission Encryption can prevent secret information discovering,all of these ways can reach the purpose of preventing ARP Spoofing. 结果证明,静态arp表能忽略执行欺骗行为的arp应答,arp WATCH能有效追踪攻击者来源,传输加密能防止敏感信息泄漏,以上方法均能达到防范arp欺骗攻击的目的。
- Where is the source of the Rhine? 莱茵河发源于何处？
- Do you know the source of Amazon River? 你知道亚马逊河的源头吗?
- He likes to trace the origins of all things. 什么事他都喜欢推本溯源。
- Thanks to advances made in molecular biology and immunology since the spread of AIDS epidemic, scientists are able to trace the sources of the disease. 自AIDS肆虐以来，由于分子生物学和免疫学方面的进步，科学家能够查出这种疾病的来源。
- He is a bit coy when ask about the source of his income. 问起他收入的来源，他就有些吞吞吐吐。
- The family are trying to trace the missing dog. 全家人正在设法找寻失踪的狗。
