英汉例句

• We find the aerodynamical roughness length and the zero plane displacement is increasing with the development of the urbanization in recent decade years.

  结果表明 ，空气动力学粗糙度和零平面位移总体是逐年递增的。

• Using wind velocity profile law determinate the aerodynamic roughness length of wheats different growth periods: the average roughness of shooting period, is 6.

  利用风速廓线法测定小麦不同生长期的空气动力学粗糙度：青苗期的平均粗糙度最大，为6。

• The amount of the departure may not necessarily be large, but it results in the larger errors when the profiles are used to calculate the bed roughness length and shear stress.

  虽然偏离值可能不大，但利用对数剖面去计算河底粗糙长度和剪切应力时会引起较大的误差。

• The large roughness length of the Loess hilly dunes and the large interparticle cohesion for the clay soil texture increases the local friction velocity.

  黄土丘陵沟壑区的地表粗糙度值和土壤粒子间的相互作用力较大，从而导致了较大的临界起沙摩擦速度。

• Aerodynamic roughness length is a important feature to easement soil resistance to wind erosion.

  耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。

• Furthermore, average values of momentum and scalar (sensible heat) roughness lengths as well as changes of scalar roughness length with friction velocity are determined by utilizing the data.

  同时，还用该资料给出了动量和标量粗糙度(感热粗糙度)长度的平均值及其标量粗糙度随摩擦速度的变化关系。

• On the basis of those work, we continue to simulate and discuss the changes of heat island intensity caused by artificial heat source, aerodynamic roughness length and wind speed.

  在此基础上，模拟并探讨了人为热源、风速、地面粗糙度等因素对城市热岛强度的影响。

• Aerodynamics roughness length is one of important indexes for estimating topsoil erosion.

  耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。