基于传统的阶梯式均匀传输线逼近模型，对非均匀传输线进行分段指数逼近。
Based on the conventional ladder model, the exponential model is adopted to approach the nonuniform transmission lines.
大约一年后，金价再度逼近每盎司1,000美元关口，当时信贷危机全面爆发、经济深陷衰退、标准普尔500指数跌至12年低点。
Roughly a year later, gold approached $1, 000 again, with the credit crunch in full swing, the economy deep in recession and the S&P 500-stock index hitting a 12-year low.
周三，道琼斯工业指数（DowIndustrials）暴涨108点，逼近10000点的高度，纳斯达克综合指数上涨31点，标准普尔上涨16 点。
Wednesday, the Dow industrials jumped 108 points, drawing closer to the 10000 level, the Nasdaq Composite rose 31 points and the S&P 500 added 16 points.
对主根总长度的动态变化用指数曲线加以逼近，准确地判明各基因型的生根特点。
The dynamic changes of sum of the length of main roots was approached by index curve, which could distinguish the rooting characteristics of various genotypes.
利用DTM最重要的是保证它的真实性， DTM精度是指数字地面模型与实际地形表面的逼近程度。
The most important thing making use of DTM is to guarantee validity; the accuracy of DTM is degree of approximation of DTM'surface and actual terrain surface.
主要讨论了一类混合指数型算子的一致逼近问题，并给出了逼近阶的估计和特征刻划。
In this paper, a class of mixed exponential type integral operators are considered and the equivalent theorems of the characterization of approximation rate are given.
指数滑移导引律的基本思想是在逼近过程中，保证追踪星的当前位置和终端位置之间的矢量方向不变，而逼近速度逐渐减小；
The spirit of the exponential slippage guidance method is keeping the direction from temporary position to the aiming point while decreasing the approach speed.
土耳其核心物价指数年上涨率已逼近7%，为2009年年初以来最高。
Core prices in Turkey are already rising at a near 7% annual rate, the highest level since early 2009.
另外，出口和造船订单减少，备受关注的汇丰银行采购经理人指数下滑，逼近负值区域，创下新低。
Moreover, export and shipbuilding orders are down. The closely watched HSBC purchasing managers' index, at its record lowest point, is close to negative territory and headed south.
指出这些格式均属局部指数格式的局部近似格式，其中部分格式近似较好，此外，本文构造了指数分段逼近格式。
It is shown that these schemes are approximate schemes to local exponential scheme. Some of them are effective. In addition, a piecewise appro...
指出这些格式均属局部指数格式的局部近似格式，其中部分格式近似较好，此外，本文构造了指数分段逼近格式。
It is shown that these schemes are approximate schemes to local exponential scheme. Some of them are effective. In addition, a piecewise appro...
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