From the standpoint of a traditional educator, this outcome indicated that schooling had failed to help students think about ecosystems and extinction, major scientific ideas.
从传统教育家的角度来看，这一结果表明，学校教育未能帮助学生思考生态系统和物种灭绝等主要科学思想。
Species endangerment and extinction does not occur at random ecologically.
物种濒危和绝灭不是随机的。
One can equate the expansion of the dark with falls in consciousness and extinction.
黑暗的扩展等同于意识下降和灭绝。
The optical refraction threshold. birefringent gradient and extinction ratio were measured.
测试了晶体的光折变阈值、双折射梯度和消光比。
Then, in an orderly way, one will meditate on what obtains regarding birth, life, and extinction.
因此，有秩序的方式，人会沉思什么是出生，生命，和死亡。
On the basis of the theory, the methods and ways how control the bloom and extinction of cyanobacteria are posed.
基于这个理论，提出如何控制水华蓝藻生消的方法和途径。
Applying to cyanobacteria system, some points about the cyanobacterial blooming and extinction have been explained.
应用于蓝藻系统，说明水华蓝藻生消的一些问题。
Droplet ignition and extinction in practical combustors are strongly influenced by forced convection and turbulence.
在实际燃烧室中，液滴点火和熄火受到强迫对流和紊流的强烈影响。
Having meditated on birth, life and extinction, one comes to know what obtains with the mind down to the moral precepts.
通过沉思出生，生命和死亡，一个人开始知道对道德戒律持什么样的态度了。
Ignition and extinction of radial flow reactors are different from those of axial flow ones because of the change of gas velocity.
由丁径向反应器内气体流道面积的变化，其着火和熄火规律与轴向床有所不同。
The invasion of bullfrog has become one of the main factors leading to population decline and extinction of some native amphibians.
牛蛙的入侵已成为一些本地两栖类种群数量下降或灭绝的主要因素之一。
These findings are consistent with other evidence that anisomycin blocks both the consolidation of original learning and extinction.
这些发现与茴香霉素阻断初级学习的固化和消除的证据是一致的。
The survival environment analysis to protected species is the important means to detect the population decline and extinction reasons.
通过对被保护物种生存环境的分析是探知该物种灭绝和种群数量下降的重要手段。
We do know that climate change is important: if you dry and warm the butterfly's habitat it will cause increased starvation and extinction.
当栖息地变得温暖干燥时，这种蝴蝶会无处觅食，进而导致种群灭绝。
The source has been used to study the effect of pressure on argon plasma parameters and microwave power for plasma ignition and extinction.
环形波导内侧开有多个狭缝用来激励产生等离子体。 利用该源研究了气压对等离子体参数、击穿功率和熄灭功率的影响。
The transformer oil is an important liquid dielectric material in the transformer; it plays the roles of insulation, cooling and extinction of arc.
变压器油是变压器内部重要的液体绝缘介质，起绝缘、冷却和消弧的作用。
The curves of refraction index and extinction coefficient with different wavelength and the thickness of films were obtained from transmission spectrum.
获取了薄膜的折射率和消光系数随波长的变化曲线以及薄膜的厚度。
Sufficient criteria on uniform persistence, weak persistence and extinction of the consumer population are obtained by using mainly the comparison theorem.
主要运用比较定理得到了种群一致持续生存、弱持续生存以及绝灭的判据。
Species exhibit different characteristic during different growing processing, and the permanence and extinction of species were influenced to differential extent.
种群在其成长的各个阶段会表现出不同的特征，这些都在不同程度上影响着生物种群的持续和灭绝。
It is a natural process and extinction is the fate of any animal that has specialized too far to change when its environment changes, or has to compete with a better-adapted and more powerful animal.
这是一个自然过程，任何一种过于特化而不能随环境改变而改变的动物，或者任何一种与适应性更强、更厉害的动物来竞争的动物，灭绝都是其必然的命运。
Representative elements of order Albaillellaria firstly appear in Silurian, which prosperous in Late Devonian, and extinction in end-Permian, is the characteristic group of Late Paleozoic Radiolaria.
阿尔拜虫目放射虫最早的代表出现于志留纪，从晚泥盆世开始繁盛，于二叠纪末期灭绝，是晚古生代特有的放射虫类群。
Not only are we bring about the extinction of life on a vast scale, we are also making the land, the air and the sea so toxic that the very conditions of life are being destroyed.
我们不仅使生物大规模灭绝，还令陆地、空气和海洋含有巨大毒性，从而使生物的生存条件遭到破坏。
It is one of the factors controlling the size of competing populations, and in extreme cases it may lead to the extinction of one of the competing species.
它是控制竞争种群规模的因素之一，在极端情况下，它可能导致一个竞争物种的灭绝。
Sea turtles, polar bears and giant pandas are just some of the thousands of animals in this world that are at risk of extinction.
海龟、北极熊和大熊猫只是世界上成千上万濒临灭绝的动物中的一部分。
Species extinction, deforestation, damming of rivers, occurrence of floods, the depletion of ozone, the degradation of ocean systems and many other areas are all experiencing acceleration.
物种灭绝、森林砍伐、河流筑坝、洪水、臭氧层损耗、海洋系统恶化和许多其他变化都在加速发生。
Species extinction, deforestation, damming of rivers, occurrence of floods, the depletion of ozone, the degradation of ocean systems and many other areas are all experiencing acceleration.
物种灭绝、森林砍伐、河流筑坝、洪水、臭氧层损耗、海洋系统恶化和许多其他变化都在加速发生。
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