查询词典 dispersal

In order to clearly understand the dynamics mechanism about broad-leaved Korean pine forest and simulate its dynamics mechanically, a simulation model is demanded through which we can simulate the long-term dynamics of BKPF under different pine cones picking intensity and hunting for grey squirrels in different intervals. By considering the effective dispersal of seeds by animals, the human disturbance and the masting behavior of Korean pine, a new gap model integrated seed-bank and regeneration dynamic model, based on the classical gap model, is established.

为了能够充分理解阔叶红松林的动态机制，准确模拟东北阔叶红松林的动态变化，探索出既能够保护好又能够利用好阔叶红松林的新途径，根据阔叶红松林的动态机制，在经典林隙模型的基础上，添加考虑了阔叶红松松林中动物对种子的有效传播、人工采摘干扰以及红松的结实特性，建立了红松种子库及其更新的动念模型更新子模型，使模型更能够反映阔叶红松林中的动态机制。

Firstly, an invasive species must be invasive enough in itself or has some biological distinction, such as quantitative and qualitative differences in the genome, or patterns of recombination. Secondly, to invade successfully, a new environment for an invasive species must be invasible, and this we may call the ecological basis of invasion. An invasive species may need to establish new interactions with other species, especially those mutualistic relations such as animal related pollination, seed dispersal by animals, mycorrhizal fungi, and symbioses between plants and nitrogen fixing bacteria.

首先从其自身来说，需要有足够的入侵性，这可以认为是入侵种的生物学基础，可能表现为具有多倍性、一定的遗传变异、杂合性或表型可塑性，以及不同的交配系统等；其次一个物种的入侵成功还取决于入侵生境的可入侵性，这可以认为是入侵种的生态学基础，而新的种间关系的形成，尤其是入侵种与其他种类的互惠共生关系的建成是关键。

The knowing state occurs the teachers and students cover up the oronasal with the wet towel, carries on the dispersal shift rapidly.

得知火情发生的师生用湿毛巾掩住口鼻，迅速进行疏散转移。

Particularly the Cretaceous time period is a time of major changes in the Earth Systems demonstrated by major plate tectonic processes, as is the dispersal of Pangea supercontinent, plaeoclimate and paleoceanography changes.

Berriasian～Albian早期，延续时间超过30Ma；而在Thakkhola地区时代为Hauterivian晚期-Albian早期，延续时间约20Ma，在Zanskar地区火山岩屑砂岩仅仅出现在Albian期，延续时间小于10Ma。

The dispersal unit is thus composed of sessile spikelet, rachis internode, and pedicel (the pedicelled spikelet falls separately), all of which contribute to the protection of the seed and are frequently ornamented or modified.In the more primitive members both spikelets of a pair are alike and fertile and are arranged in a terminal panicle. In most genera, however, the pedicelled spikelet has lost its fertility and differs in shape and texture from the sessile one.

驱散单位如此由无梗小穗，轴节间和花梗(pedicelled小穗分别下降)组成，其全部有助于种子的保护，在大多数属方面，不过，pedicelled小穗已经失去它的能育并且在外形上不同和来自无梗一的质地。

Moreover,the main distribution character of Chinese Perlidae is that most of the species distribute Central China region,South China region and Southwest China region.The Central China region centralizes the distribution and the break of the perlid species,and made the dispersal for the others regions.

此外，郋科昆虫在中国的一个主要分布特点就是多数种类集中分布于华中区、华南区和西南区；而华中区则很可能是郋科种类的分化中心，并以此为中心向其他区扩散。

There were not significant correlation between seed size and growth and longevity; seed size was correlated with plant height, onset of flowering and dispersal mode, respectively, even in after phylogenic effect.

种子大小与生活型和寿命二个性状不存在相关性；与植物高度、开花期和扩散模式存在一定的相关性，即使除去系统发育的影响。

Under the condition mentioned above there are so much disadvantages such as dispersal control equipments, large space occupied, complicated connection, high fault rate and so on which will lead to the suspending power supply to local fans and lead to ventilation to the turnned off planlessly and further result in accumulation of gas.

矿用局部通风机是煤矿井下掘进通风不可缺少的重要设备，使用量大、应用范围广，承担着为采掘工作面提供新鲜风流、排出有毒有害气体和粉尘、改善作业场所环境条件等重要任务，其工作可靠性直接影响着煤矿的安全生产和经济效益。

During the process of online publishment,readers' dispersal and anonymous feature makes it more difficult to control E-book's copyright.

我国在2001年底颁布的《中华人民共和国著作权法》和新颁布的《关于信息网络环境下著作权保护的暂行规定》，进一步加强了对网络作品的保护。

The sludge of autotrophic denitrifying process is flocculent、 dispersal、irregularity-shape, existing a number of sphaerotilus.

9自养反亚硝化系统污泥呈絮状、絮体分散、形状不规则，存在一定数量的丝状菌。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷