The control effect of DDVP . carbaryl and cypermethrin smoke agents were 95.85 % 31.51 % and 97.66 % respectively. 西维因烟剂防治效果为 31.51%,氯氰菊酯烟剂防治效果为97.68%.
The manager presides over the business of this store.经理管理这店业务.He presides over the company.他管理这家公司.The Prime Minister presides at meeting of the Cabinet.首相主持内阁会议....
He plucks Brazil nuts off the ground and tosses them into the basket.他从地上抓起巴西坚果，扔到篮子里。After a few warm - up tosses, he put the shot 63 feet 6 inches.几次试掷之后, 他把铅球投出六十三英尺六英寸远.The Daughter of Jerusalem tosses her head as yo...
Abraham Maslow described psychology as "the science of being."亚伯拉罕·马斯洛形容心理学是“存在的科学”。That may be two-bit psychology, but it's the only explanation I have.那可能是不值一提的心理，但它却是我唯一的解释。I majored in psychology at Hunter Colle...
谈判开始,却又告破裂, 因为学生方面提出了 “ 无可协商的要求 ”.Negotiations began but failed, because the students presented " non - negotiable demands. "参加协商的人花了十个小时才敲定一桩生意.It took the negotiators ten hours to nail down a deal.她负责我们正在协商的项目.She'...