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Fortunately, the dens were built to be bear-proof, so we don't think they have sustained any structural damage.

幸运的是，全部兽舍都非常牢固，我们不认为它们受到了任何结构性的损坏。

At first, the kernel density function of background and foreground is built based on the image correlation.

3基于贝叶斯模型的动态背景检测；在跟踪目标时，有时会遇到复杂的动态背景，原有的检测方法有时不能得到满意的结果，因此提出一种新算法。

Make full use of the advantages of sufficient power resources, and built a capacity of 50,000 tons of aluminum and 10,000 tons of Sankang Deoxidizer company, has become a growing local industry an important force.

充分利用电力资源充裕的优势，建成了年产能5万吨的铝业公司和1万吨的三康脱氧剂公司，已成为壮大地方工业的重要力量。

However, the acquisition of this kind of economic achievements was built up on the environment's breakage and the environmental depravation of ecosystem.

面对现实的环境和生态破坏的压力，同时也随着公民环境意识的觉醒，国际公约及国际社会的影响，及全球化的环保绿潮，中国的环保产业也迎来了跨越式发展的历史契机。

It was evidently the derelict remains of some vast structure, to what end built I could not determine.

这显然是某个庞大建筑的废墟，为什么而建我就不得而知了。

The dynamic load sharing property model is built, and the motion differential equation is derived.

采用傅立叶法求解得到了系统的动载系数和动力学载荷分布不均匀系数。

A turn out for what is being built as a weekend of descant was lower than expected.

正在进行的周末抗议集会的参加者比想象得要少。

On a stage of discussing the virtual teaching reform, a new graphics education system among the Institutions of Technology has been being built up and perfected. The author demonstrated how to evaluate the position where descriptive geometry is and what function descriptive geometry plays when it comes to the changing graphics education system. The author also discussed how to use descriptive geometry to cultivate students' thinking and design capacity.

摘 要：在探讨实质性教学改革阶段，工科院校新的图学教学体系正在不断改进和完善，怎样看待画法几何课程在这个体系中的位置、价值和功能，如何利用画法几何来培养学生的思维能力和设计能力，是否认为CAD技术与画法几何没有必然联系。

After this the Euclidean and hyperbolic geometries are built up axiomatically as special cases of a more general 'descriptive geometry'.

在此之后的欧几里德和双曲几何的建立作为一个更一般的'特殊情况下，公理画法几何'。

Thus, our government newly built these cities, extended them and improved them designedly.

为此，国家对这些城市进行了有计划地进行了新建、扩建和改建。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。