variable adj. 1.易變的,變化無常的,無定的 (opp. constant, steady)。 2.可變的,能變的;變換的。 3.【數學】變量的;【天文學】變光的;【生物學】變異的。 Prices are variable according to the exchanges. 物價跟著匯率變動。 a man of variable character 反復無常的人。 a rod of variable length (伸縮)如意棒。 a word of variable construction 可以作種種解釋的詞。 variable capital 可變資本。 a variable budget 臨時預算。 n. 1.易變的東西。 2.【數學】變量,變數,變項,變元 (opp. constant);【天文學】變星 (=variable star);【航海】(方向不定的)變風,不定風 (opp. trade wind); 〔pl.〕 (貿易風帶中的)變風帶。 adv. -ably ,-ness n.
Discussion on energy efficiency of primary pump system with variable flow in air conditioning 淺談空調變流量一次泵系統的節能
Open circuit , close circuit , direct return , inverse return , variable flow systems , booster pumps , valves , joints , etc 開及閉式水路,直接間接回流、變量系統、加壓泵、閘制、接口等
Explores the location of pressure difference control points in variable flow rate systems with a hot water heating piping model 摘要結合一個熱水供暖熱網模型,探討了變流量壓差控制點的設置位置。
Air distribution and air diffusion . aerodynamic testing and rating of constant and variable flow rate single or dual duct boxes and single duct units 空氣的分配和擴散.恒定和可變流量單管或雙管箱和單管裝置的空氣動力學試驗及評價額定值
Analyzing the performance curves of pumps and network in a variable flow pumping system , concluding the influence factors of energy saving and the optimal ranges of variable frequency drive ( vfd ) 摘要通過分析變頻水泵及管網系統在變工況下的特性曲線,得出影響水泵變頻節能效果的主要因素和變頻調速的適用范圍。
Variable flow chilled water system ( vwv ) is an effective energy - saving measure , which has a smaller size of pipe and equipment than the normal ones for it has considered the dispersing rate of the load in the systems 空調變水量系統是一種有效的節能手段,并且由于它考慮了系統的同時使用率,系統管道及設備將比常規的小。
In addition , the usaf continues to fund development work of the aerojet ( formerly atlantic research ) variable flow ducted rocket ramjet system as a future propulsion option for an extended range aam 此外,美國空軍繼續投資于航空噴氣研究所(原來的大西洋研究所)的可變噴流管火箭發動機系統,將其作為增程空空導彈的未來推進選項。
From this paper , a new optimized method and its program in the designing chilled water system were presented , and a scheme to convert a constant flow system to variable flow system was also brought forward 通過本文的研究,提出了一種新的空調冷水系統最優化設計方法,并編制了計算軟件;提出了將定水量系統改造為變水量系統的方案。
Second , the conclusion is drawn that the fit model can be gained after the simulation of different models compared with the measured temperature in practice . the components model of variable flow system and control system are set up 然后建立變流量系統部件的數學模型及控制系統部件的數學模型并進行控制回路的模擬,并提出基于simulink的控制參數整定方法。