不可取得的

In terms of the development of computer technology, finite element method and mathematical programming, the optimum design of structures has experienced fast growth both in the theory and techniques, and become necessary tools in modern design.

藉助于计算机技术、有限元方法和数学规划等学科领域的发展，经过几十年的研究，结构优化设计的理论和方法已取得了长足的进展，并已成为现代设计方法中不可缺少的工具。

No greater success was achieved with the original 100mm pulse-jet engine, designed by Mr. Takeo Kimura to power the helicopter, because it proved difficult to ignite and its noise level was unacceptable.

没有取得更大的成功是与原来的100毫米脉冲喷气发动机木村武雄先生设计，以权力的直升机，因为事实证明，很难点燃，其噪音水平是不可接受的。

Research methods such as documental data, investigation, comparative analysis and mathematical statistics have been adopted in this article.

在第八届世界健美操锦标赛中，我国的六人操取得了第三名的好成绩，成为世界健美操界中一支不可忽视的生力军。

Ecotourism have been as an ideally standard for developing area projects, while nowadays tourism is becoming the emphasis economic domain department till to the sustentacular industrial in some places.

在旅游业成为许多国家或地区的重要经济产业部门乃至经济支柱产业的今天，生态旅游作为一种理想的形式，已在我国取得了一些进展，并成为许多地方和部门规划中不可缺少的项目。

Ecotourism have been as an ideally standard for developing area projects, while nowadays tourism is becoming the emphasis economic domain department till to the sustentacular industrial in some places.

刍议生态旅游的经济意义在旅游业成为许多国家或地区的重要经济产业部门乃至经济支柱产业的今天，生态旅游作为一种理想的形式，已在我国取得了一些进展，并成为许多地方和部门规划中不可缺少的项目。

Ecotourism hxdye been as an ideally standard for developing area projects, while nowadays tourism is becoming the emphasis economic domain department till to the sustentacular industrial in some places.

在业成为许多国家或地区的重要产业部门乃至经济支柱产业的今天，生态旅游作为一种理想的形式，已在我国取得了一些进展，并成为许多地方和部门规划中不可缺少的项目。

Ecotourism have been as an ideally standard for developing area projects, while nowadays tourism is becoming the emphasis economic domain department till to the sustentacular industrial in some places.

本文由 PB创新网为您整理】在旅游业成为许多国家或地区的重要经济产业部门乃至经济支柱产业的今天，生态旅游作为一种理想的形式，已在我国取得了一些进展，并成为许多地方和部门规划中不可缺少的项目。

Ecotourism have been as an ideally standard for developing area projects, while nowadays tourism is becoming the emphasis economic domain department till to the sustentacular industrial in some places.

在旅游业成为许多国家或地域的重要经济产业部门乃至经济支柱产业的今天，生态旅游作为一种理想的情势，已在我国取得了一些进展，并成为许多地方和部门计划中不可缺乏的项目。

Ecotourism have been as an ideally standard for developing area projects, while nowadays tourism is becoming the emphasis economic domain department till to the sustentacular industrial in some places.

大 在旅游业成为许多国家或地区的重要经济产业部门乃至经济支柱产业的今天，生态旅游作为一种理想的形式，已在我国取得了一些进展，并成为许多地方和部门规划中不可缺少的项目。

In recent years, there has been a great development in such study with marvelous completions.

近年来。这些佛教艺术诸形态的分类研究发展很快，取得了相当的学术成就，具有其它学科不可代替的学术价值。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。