It is frequently referred to as "pressure head" when expressed in terms of energy per unit weight of water . 當(dāng)以單位水重的能量來表達(dá)時(shí),經(jīng)??醋鳛椤皦侯^”。
Perhaps a key adaptive advantage of the angiosperm is their ability to construct wood with much less expenditure of energy per unit weight . 也許被子植物適應(yīng)優(yōu)勢(shì)的秘訣就在于它們有能力形成每單位重量的木材可支付少得多的能。
Test on supervision and control of dry unit weight of warping dam 淤地壩干容重的監(jiān)理控制試驗(yàn)
Unit weight approach for model sediment 模型試驗(yàn)的泥沙重度淺析
Study on the relationship between maize unit weight and the water content 玉米容重與水分相關(guān)性分析
Estimation of the unit weight variance in nonlinear model adjustment 非線性模型平差中單位權(quán)方差的估計(jì)
Standard test methods for moisture - density unit weight relations of soil - cement mixtures 水泥及土混合料的濕度-密度比率
Standard test method for unit weight , yield , and air content gravimetric of concrete 混凝土的單位重量分析屈服點(diǎn)及空氣含量測(cè)定