例句與造句

1. According to the load and pipeline characteristics of heating systems , puts forward the principle of selecting circulating water pumps and the fitting method of characteristic curves
   摘要針對供暖系統(tǒng)的熱負(fù)荷及管路特性，給出了循環(huán)水泵的選擇原則及其特性曲線的擬合方法。
2. In the first part , by using the method of characteristic curves for solving linear partial differential equations , all invariant algebraic surfaces for three nonlinear systems are obtained
   第一部分，利用求解線性偏微分方程的特征曲線法，得到了三個系統(tǒng)的所有不變代數(shù)曲面。
3. In section 1 , the introduction and statement of the main results are stated ; in section 2 , the main tool of this part using is narrated , that is , the method of characteristic curves for solving linear partial differential equations ; in section 3 , rigorous proof is given
   本部分由三節(jié)組成，第一節(jié)是引言和獲得的主要結(jié)果；第二節(jié)介紹了本部分所使用的主要工具，即，解線性偏微分方程的特征曲線法；第三節(jié)證明了這些主要結(jié)果。
4. The main result of this part is the following , by using the method of characteristic curves for solving linear partial differential equations , the whole classification of the integrals of motion of the reduced three - wave interaction system is obtained with the condition of some parameters . rigorous proof is given . this part consists of three sections
   本部分的主要結(jié)論如下，應(yīng)用解線性偏微分方程的特征曲線法研究了約化的三波相互作用系統(tǒng)的運(yùn)動積分，給出了在一定參數(shù)條件下系統(tǒng)所有的運(yùn)動積分，并嚴(yán)格證明了這些結(jié)論。
5. According to the supply system composed by parallel connection water pump , many kinds of operation proposals in a single pump were put forward to provide the greatest possible flow on both sides of the demarcation point in the scope of the flux changes ; identified the system of pumps , electromotor , speed governor imitate method of characteristics curve of the power device and its rotating speed , efficiency , energy consumption calculation under different condition ; the analytical methods used for the operational plan for comprehensive evaluation of the economic and safety and optimal results
   摘要針對由并聯(lián)水泵組成的供水系統(tǒng)，提出了在以單泵可能提供最大流量為分界點(diǎn)的兩側(cè)流量變化范圍內(nèi)具有多種運(yùn)行方案；確定了在不同工況下，該系統(tǒng)中水泵、電機(jī)、調(diào)速器特性曲線的擬合方法及其各動力裝置中轉(zhuǎn)速、效率、能耗的計算式；采用解析的方法對各種運(yùn)行方案進(jìn)行了經(jīng)濟(jì)性和安全性綜合評價，并給出最優(yōu)結(jié)果。
6. It's difficult to find method of characteristic curves in a sentence. 用method of characteristic curves造句挺難的