approximate vt. 1.使接近。 2.接近;走近。 3.近似,约计。 4.模拟。 5.估计。 approximate a solution to a problem 使问题近于解决。 approximate something to perfection 使某物臻于完善。 The total income this year approximates 10,000 dollors. 今年总收入接近一万元。 approximate the motions of the stars in a planetarium 在天文馆中模拟行星的运行情况。 We approximated the distance at 100 miles. 我们估计行程距离为100英里。 vi. 近于。 His income this year approximates to 8,000 dollars. 他今年的收入接近八千美元。 adj. 近似的,大概的。 an approximate account 简要的说明。 an approximate date 大约的日期。 the approximate estimate 大概的估计。 an approximate number 概数。 an approximate value 近似值。 adv. -ly 大体,大致。
estimation n. 1.估计,评价。 2.预算,预算额;概算。 3.尊重,尊敬。 4.意见,判断。 5.【化学】估定;测定。 in my estimation 据我估计,我认为。 in the estimation of the law 从法律上来看。 full [rise] in the estimation of the public 在公众心目中的评价下降[上升]。 held in high estimation 极受尊重。
Based on the approximate estimation of wetted front edge of one dimension soil column , the design parameters of sdi were determined primarily 粘壤土湿润锋运移速度明显慢于沙土,特别是容重较大时更为明显。
On the estimation of signal & bimodal noise parameters , some foreigners give out approximate estimation , which is applicable only on some condition ; we give out the precise estimation 对于双模噪声与信号参量的估计,国外给出了近似估计,只在一定条件下适用:本文给出了精确估计。
As for the design of alloy system and the determination of the quantity of main contents , they rely on the approximate estimation after simply calculation , which result in longer development cycle , higher cost and worse accuracy 在合金系统的设计和某些主要成分的用量上,辅以简单计算进行粗估,设计周期长、开发成本高。因此,焊材设计手段的更新至关重要。
In order to decrease the computational complexity of higher - order statistics ( hos ) , novel approximate estimation theorems of the foc and the fifth order cumulants are created and proved in theory . the simulation result shows that employing the estimation theorems to optimize the calculation of higher order statistics is an effective method 理论分析与仿真表明:按估计定理对高阶统计量的计算进行优化,不仅计算量能大幅度地减小,而且保证了通过估计得到的高阶累积量有抑制高斯噪声的优越性能,这为高阶统计量的工程应用创造了一条捷径。