您要查找的是不是：
- In this paper, a Lotka-Volterra type predator-prey model with delay and stage structure was discussed. 摘要研究了具有时滞和阶段结构的捕食系统。
- The lower Yellow River is a wandering channel with intense building-up, the channel tends to be scoured and silted and the water stage is uncertain. 黄河下游是一条强烈堆积性游荡河道，河床易冲易淤，水位变化无常。
- The stability of the equilibrium in a Lotka-Volterra competition models with stage structure and distributed maturation delays is concerned. 摘要主要考察了具有年龄结构和分布时滞的竞争生态模型平衡解的稳定性，以及连接两个边界平衡解的行波解的存在性。
- The RM5 million production featured a giant imperial gate that opened up to a five-storey stage structure with magnificent props. 500万令吉林吉特制作一展可以开高5个台阶，拥有华丽小道具的，巨大的富丽堂皇的帝王大门。
- The motion of underground water in hydrocarbon bearing strata of Turpan Hami Basin could be divided into sedimentary seeping water stage and seeping water stage. 吐哈盆地含油气层系的地下水运动分为沉积水渗入水和渗入水两个阶段。
- Some researchers have made study on this subject, such as the generation and evolution of frazil ice, shore ice, bottom ice, ice cover and ice jam, the resistance of freeze-up river, flow capacity and variation of water stage. 国内外一些学者通过原型观测，试验和数值模拟的方法对水内冰，岸冰，底冰，冰盖和冰塞的生成和演变，封冻河道的阻力、过流能力和水位变化等有关问题进行了研究。
- By aid of the monotone iteration technique and the upper and lower solutions method, the existence of travelling wave fronts is established for a single species population model with stage structure and distributed maturation delay. 利用单调迭代和上下解方法证明了一类具有分布成熟时间和阶段结构的单物种种群模型的波前解的存在性.
- Ice dam, ice cover and ice jam, which are formed by stack, jammed and collective ice, can increase river resistance and water stage, resulting in flood, construction damage and navigation problems. 冰块堆积,堵塞和聚集形成的冰坝、冰盖和冰塞会导致河道阻力增加,致使上游水位上涨,并可能造成冰期洪水,建筑物破坏,航运不畅等危害。
- Manufactured with the packing material whose durability was more reinforced than an existing gun valve and adopted the three stage structure that makes easier to assemble and disassemble. 制造真空管因为包封物质以优良其耐久性与现有的注射枪的真空管比较更加增强,并且采用三级结构是的更容易被组装和拆卸。
- Ice dam, ice cover and ice jam, which are farmed by stack, jammed and collective ice, can increase river resistance and water stage, resulting in flood, construction damage and navigation problems. 冰块堆积，堵塞和聚集形成的冰坝、冰盖和冰塞会导致河道阻力增加，致使上游水位上涨，并可能造成冰期洪水，建筑物破坏，航运不畅等危害。
- A system of retarted functional differential equations as a predator-prey model with stage structure and dispersion is discussed. Conditions for global stability of the system are given. 讨论了一类带有扩散和具有阶段结构与时滞的两种群捕食系统;分析了该系统的非负不变性、边界平衡点性质及全局渐近稳定性.
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
- The amount of water collected in such structure. 蓄水量在此种容器中的水的收集量
- Based on the comparison between single stage and dual stage structures for APFC circuit, a single stage one is used in present work. 基于对有源功率因数校正电路的双级式和单级式结构的特点比较,本文采用了单级式的电路结构。
- And by reform of at least three stage structural deformation metamorphism, it returned to terrene by shearing at the Late Permian. 作者进一步论述了红石山蛇绿岩的组成及变形变质特征，为研究北山北带提供了最新资料。
- Putting water in brandy is sacrilege. 在白兰地中掺水是可恶的事。
- lock chamber water stage recorder 闸室水位自记指示仪
- Water contains hydrogen and oxygen. 水含有氢和氧。
- PREDATOR-PREY SYSTEM WITH STAGE STRUCTURE AND DELAY 具有阶段结构和时滞的捕食系统
