The river is the boundary between the two countries.

这条河是两国的界河。

The boundaries are clearly marked off on the map.

界线在地图上区分得很清楚。

The boundaries of that country were changed by a treaty.

那个国家的边界根据条约有所更动。

The boundary which had first passed was readopt by a large vote.

第一次通过的边界线已过大多数投票通过再予采用。

The ball was caught by a fielder standing just inside the boundary.

那个球被正站在边界内的守场员接住了。

The boundary questions still remain unsettled.

边界问题仍然没有解决。

The ball ran to the boundary.

球向边线滚去。

As an example,the 3 D paleostructure of the boundary between Middle Eogene an...

作为实例，我们重建了汤原断陷早第三纪中期白垩系顶界三维古构造。

The solution to the boundary value problem for a 2-dim photodissociation model of a linear triatomic molecule was studied.

研究线性三原子分子二维光离解模型边值问题的解。

In this article the nonparallel stability of the boundary layer is investigated effectively by using the parabolized stability equations (PSE).

采用极为有效的抛物化稳定性方程(PSE)方法研究边界层的非平行稳定性。

Elaborated in the cadastration the boundary point, the object point concrete measuring technique and the office work processing general process.

阐述了地籍测量中界址点、地物点的具体测量方法和内业处理的一般过程。

Rubicon was a small stream that flowed into the Adriatic and in Roman times marked the boundary between Cisalpine Gaul and ancient Italy.

在古罗马时期，卢比肯河是一条流入亚得里亚海的小河，也是高卢与古意大利的界河。

In the analysis a 2 dimension element is combined with the boundary punition element(spring element) to calculate stress distribution at the periphery of a tunnel.

通过2维元与边界罚单元（弹簧元）耦合分析，可计算出开巷初期巷道周边应力的分布。

And the boundary of them has the same lithologic character: the ravinement surface of river course or exposure mudstone of flooding plain and root clay.

二者的界面是相同的,均为河道砂体底部的冲刷侵蚀面或者是暴露过泛滥平原泥岩、根土岩等。

The upwell ing brings the thermocline—the boundary layer between deep, cold water and the warm water of the surface—up as high as 30 feet from the top.

上升流使得局部温越层(深处的冰冷海水和表面的温暖海水交界处的水层)可鼓出10米之高。

This paper presents an efficient method of modelling jointed rock by using the boundary ele-ment method via the concept of multiregion and non-linear model of joint and fault.

边界元法广泛应用于岩石力学问题的最大障碍是岩体的非均质及其包含的大量节理断层，本文采用多子域思想结合节理断层的非线性模型较好地解决了这一难题。

The question of the boundary of NESA is discussed based on the comparison of contract cost, legal cost of integration and other costs between Enterprises Integration and NESA.

主要通过引入契约变量成本、一体化法律费用以及其他各种外显和内合成本,探讨了企业在进行边界扩张时,通过非股权战略联盟与通过内部一体化这两种方式在代价上的差异。