operator n. 1.操作者,機(jī)務(wù)員;司機(jī),駕駛員;【軍事】電話兵;【電話】接線員,話務(wù)員(=telephone operator);【電報(bào)】報(bào)務(wù)員。 2.(外科)施行手術(shù)者。 3.掮客,經(jīng)紀(jì)人。 4.【語法】功能詞。 5.【數(shù)學(xué)】算子,算符。 6.經(jīng)營者;〔美國〕工廠主,資方。 7.投機(jī)商人,騙子;精明圓滑的人。 8.【戲劇】燈光助理員。 an operator's set 話務(wù)員的電話機(jī)。 a telegraph operator 電報(bào)報(bào)務(wù)員。 an unitary operator 公正算符。 a mine operator 礦山經(jīng)營者,礦主。
Current situation and countermeasure of professional training for pest control operator 有害生物防治員職業(yè)培訓(xùn)的現(xiàn)狀及對策
Whether you apply pesticides yourself or you hire a pest control operator , avoid exposure to the pesticides 無論是自己動(dòng)手還是聘用蟲害防治公司代勞,都應(yīng)盡量避免吸入或接觸到除害劑
To pest control operators , cleansing companies , pesticide users and cap . 133 licensees - possession of unregistered pesticides ( 4 . 2 . 2003 ) ( pdf format ) 致滅蟲公司清潔公司負(fù)責(zé)人、除害劑牌照持有人及除害劑使用者: -擁有未經(jīng)注冊除害劑( 4
" for the longer term , the government will seek to improve the standard of practice of pest control operators through legislative amendments to the pesticides ordinance 長遠(yuǎn)而言,政府會(huì)透過修改《除害劑條例》以提升滅蟲業(yè)界的作業(yè)水平。
When circumstances necessitate the use of pesticides for mosquito control , extreme caution and care must always be exercised . pest control operators have the responsibility to ensure the adoption of good pesticide management practice to protect themselves , the public and the environment 當(dāng)情況需要使用除害劑來滅蚊時(shí),操作人員必須以負(fù)責(zé)任的態(tài)度小心處理,實(shí)踐優(yōu)良的除害劑管理,才能保護(hù)自己、公眾及環(huán)境。
In section 2 . 1 , we introduce some of the recent research results about the relationship between the internal stability and external stability . in section 2 . 2 , we state some necessary background , definitions and basic facts about infinite - dimensional linear systems . in section 2 . 3 , we are concerned with the admissibility of the control operator and the observation operator of system ( 1 . 1 ) - ( 1 . 4 ) 第一節(jié)我們介紹有關(guān)無窮維線性系統(tǒng)內(nèi)部穩(wěn)定性與外部穩(wěn)定性關(guān)系的最新成果;第二節(jié)我們介紹無窮維線性系統(tǒng)的相關(guān)背景、概念,以及其他一些主要成果;在第三節(jié),我們討論系統(tǒng)( 1 . 1 ) - ( 1 . 4 )的控制算子與觀測算子的相容性;在第四節(jié)和第五節(jié)我們分別討論系統(tǒng)( 1 . 1 ) - ( 1 . 4 )的外部穩(wěn)定性與內(nèi)部穩(wěn)定性;第六節(jié)我們將證明開環(huán)系統(tǒng)( 1 . 1 ) - ( 1 . 3 )的精確可觀測性。