例句與造句

1. a full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory . an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine . according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages . this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables . the program was also worked out according penalty function method and conjugate gradient method . the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function
   把近代最優(yōu)控制論方法引入軸流透平葉片的設(shè)計(jì)，在優(yōu)化的軸流透平子午通道內(nèi)，建立包括透平級內(nèi)所有性能參量的最優(yōu)流型命題的完整的物理模型及其數(shù)學(xué)表達(dá)式，并歸化為一個(gè)在給定初始狀態(tài)、自變量終端固定、部分狀態(tài)變量終端受有約束的條件下，使級的某一性能指標(biāo)（如級的功率）達(dá)到最優(yōu)的最優(yōu)控制問題，應(yīng)用“代價(jià)函數(shù)法”及“共軛梯度法”編制計(jì)算程序，計(jì)算得到符合給定約束條件、并使目標(biāo)函數(shù)取極值的最優(yōu)環(huán)量分布，結(jié)果是令人滿意的。
2. It's difficult to find terminal variable in a sentence. 用terminal variable造句挺難的