study on effects of selection of a salt tolerant alfalfa strain at different salt stress

the expression of stress and strain at the tip of three dimensional notch

三维切口尖端应力应变场

she have great curiosity and perseverance in researching into problems til the problems are solved successfully.

而且她有极大的好奇心和坚毅力致力于研究问题,直至问题被完美的解决.

additional study questions are provided, as are the answers to all study questions.

附加研究问题被提供, 与全部研究问题的答案一样.

using the song dynasty as example, the author suggested some research questions following this approach.

本文以宋代为例, 提出了一些可以照这一思路开展的研究问题.

at last, the system object is put forward with the emphasis of problems integrated.

而后, 结合所研究问题的重点,提出了系统目标.

one or more analytic methods : were correctly applied to the problem.

研究问题的分析使用了一种(或以上)的分析方法.

only so, can we put an end to this aspect of the tragedy of the commons.

只有这样, 我们才可以终结这方面的公地悲剧.

she showed that there are almost always elaborate conventions over who can use resources and when.

她在文章中列出了人们有关谁可以,在什么时可以使用这些“公地”的非常详尽的规程.

an alternative to the commons need not be perfectly just to be preferable.

公地以外的另外方案无需是十全十美,只要是较好的.

the concept of the commons is also spreading to new areas.

“公地”的概念同样也蔓延到新的领域.

the annual precipitation is unevenly distributed, with a spring drought, summer floods, autumn hanging characteristics.

年降水分布不均, 具有春旱 、 夏涝 、 秋吊的特点.

the distribution of pores is odds . reservoir characteristics are low porosity and ultra-low permeability.

储层孔隙大小分布不均, 具有低孔、特低渗特性.

but the water fast distribution uneven is unavoidable.

但水速分布不均是难免的.

during the colonial period access to open land helped scatter settlements.

殖民地时期,占有土地资源很容易,这就分散了人们的拓展地.

the resource environment mainly refers to land, water and ecological capacity.

资源环境因素主要指土地资源 、 水资源和城市生态环境容量.

the nature of agriculture confirms its strong dependency to the land resource.

农业的本质特点从根本上决定了它对土地资源有着更强烈的依赖性.

land resources are important agricultural production factors.

土地资源是重要的农业生产要素之一.

it is a waste of land resources.

那是浪费土地资源.

labor forces are abundant, but land resources are scarce.

1劳动力资源丰富, 但土地资源稀缺.

a sailor who was going to set out for india was asked by a landsman, where his father died.

一个从未出过海的人问一个即将出发去印度的水手：他的父亲是在哪里去世的。