The original patent was filed all the way back in 1984, before cell phones were ubiquitous. 在1984年手机还未普及之时,就有人首次为自拍杆申请了专利。
They did see a small, steady increase in brain tumors, but it started in1974, long before cell phones existed. 研究人员确实也发现脑瘤患者数量有小幅稳定增长,但是这趋势早从1974年就开始了,那时候还没有手机。
That was before people had cell phones. 可那是早在人们有手机之前。
But we need more well-designed studies with more convincing results before we can say with certainty that cell phones hurt male fertility. 但在我们确认手机损害男性生殖能力之前,我们需要更好设计的研究来证实结果。
All cell phones, PDAs, and other electronic devices must be turned off before entering the test room. Turning on or using cell phones or other electronic devices is forbidden during the test. 考生在进入考场前必须彻底关闭手机、掌上电脑等电子设备,在整个考试过程中,手机等电子设备不允许打开或使用。