variation n. 1.變化,變動。 2.變量,變度,偏差。 3.【語言】語尾變化;變體,異體;【數(shù)學】變分,協(xié)變;順列;【生物學】變異,演變,變種;【音樂】變奏曲;【天文學】變差;(月的)二均差;【物理學】磁差。 a principle without variation 不變的方針[原則]。 be capable of variation 可能變化。 be liable to variation 容易變化。 These prices are subject to variation. 上列價格可能變更。 adj. -al
A graph which shows this variation with time is called a waveform . 電壓或電流隨時間而變化的圖形稱為波形。
The pressure is monitored until no further variation with time is noted . 監(jiān)測壓力直到它不再隨時間變化并記錄下來。
The mechanical creep in photoelastic models is accompanied by a variation with time of the optical effects . 光彈性模型中的力學蠕變,伴隨著光學效應(yīng)隨時間的變化。
Temperature effect is important in calculation theory of concrete filled steel tubular ( cfst ) arch bridge . the main problems about it are the temperature field in space and temperature variation with time 溫度問題是鋼管混凝土拱橋計算理論中的一個重要問題,其關(guān)鍵在于溫度場時間和空間的變化與分布規(guī)律問題。