zero n. (pl. zeros, zeroes) 1.【數學】零;零號。 2.零位;零點,起點;(溫度表的)零度,冰點;座標原點;無。 3.最低點;【天文學】天底;【航空】零高度。 4.沒價值的人[物]。 5.【軍事】= zero hour. the absolute zero 【物理學】絕對零度〔-273.16℃〕。 the air zero 原子彈空中爆炸中心。 fly at zero 超低空(1000英尺高度以下的)飛行。 vt. 1.把(調節器等)調整到零位。 2.把…減少到零位。 zero in 1. 調整(槍炮的)射距,把(槍炮等的標尺)調整到標準無風部位瞄準。 2. 把(火力)對準目標 (on)。 zero out 給…以免稅待遇(to zero out funding for public broadcasting 對用于公共廣播的經費實行免稅)。 adj. 1.零(度)的。 2.【氣象學】云幕低于50英尺,能見度小于165英尺的。
Research on the management of water system and the design of zero water drainage in the power plant 火電廠水務管理與零排放設計研究
August 1 a new arrangement of not issuing zero water bills to reduce wastage . a spokesman for the department said , " according to the statistics for 20012002 , the number of water bills issued was about 6 . 74 million . about 16 per cent , i . e . some 1 . 08 million , of these bills are of zero charge . 水務署發言人說:根據二一二年度的統計數字,水務署共發出六百七十四萬張水費單,其中一成六,即約有一百零八萬張是零水費單。
Use zero water pressure opening of valve core without any medium pressure , suitable for the sewage - draining control system of pipelines , water tank etc . containers and the automatic water falling of a drinker . this valve can be fitted with another more than 60 kinds of valve casings , resulting in a flexible installation 采用零水壓開啟閥芯,開啟無須介質的壓力,適用于管道水箱等其他容器的排污控制系統飲水機的自動下水等,該閥另有六十余種閥體與之匹配,安裝靈活。