野外记录的扫描信号变化时，必须有详细记录。
Detailed note is necessary when field sweep signal is changed.
大地电磁法由于天然场源信号的微弱性和随机性，在野外记录和数据采集方面需要花费巨大的努力。
Due to the weakness and randomness of natural source in magnetotelluric method, a great deal of effort is spent in the field records and data acquisition.
环保署生物杀虫剂部门主管珍妮特·安德森发给该网络的一封电子邮件表示，“没有对这种生物进行审查和/或野外测试的记录。”
An e-mail to the network from Janet Anderson, director of the EPA's bio pesticides division, says "there is no record of a review and/or clearance to field test" the organism.
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