例句與造句

1. The resistance coefficient of the river , the scale affect of the rigid bed model , and the rule of channel dredging are also discussed in order to obtain the reliable conclusion
   對河床的阻力系數(shù)、定床模型試驗(yàn)的比尺效應(yīng)以及電廠下。游清挖原則進(jìn)一步研究，以期給出較明確的結(jié)論。
2. Because it is relatively reliable in both theoretical and practical research , the rigid bed model , which is without deformation under the action of river flows , is widely used in the river hydraulic simulations . the advantages of visibility and high accuracy of the rigid bed models are evident for the complicated boundary conditions of rivers
   在河道水力模型中，尤以河床在水流作用下不發(fā)生變形的定床模型應(yīng)用最為廣泛，在理論上和實(shí)踐上都已比較成熟，當(dāng)河段的邊界過于復(fù)雜時(shí)，其直觀、準(zhǔn)確的優(yōu)越性更為明顯。
3. It's difficult to find rigid bed model in a sentence. 用rigid bed model造句挺難的