operator n. 1.操作者,機務(wù)員;司機,駕駛員;【軍事】電話兵;【電話】接線員,話務(wù)員(=telephone operator);【電報】報務(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。 a telegraph operator 電報報務(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,操作人員必須以負(fù)責(zé)任的態(tài)度小心處理,實踐優(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。