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Research advances on the biological and ecological characteristics of P.japonica are summarized in this paper, which includes the variation in elytra color polymorphism, life history, fecundity, appetite, predation, over-wintering habits, artificial rearing technique, and population dynamics under natur...

本文从龟纹瓢虫的生物学和生态学特性，包括色斑变型、生活史、繁殖、食性、越冬、人工饲养、田间动态以及在生物防治上的应用等方面概述了龟纹瓢虫的研究进展，提出进一步深入开展龟纹瓢虫的人工饲养技术、贮藏技术和色斑变型遗传机制等的研究，不仅可以更好地为农业生产服务，而且可以充实昆虫生态位理论的研究内容。

Based on the high-resolution sequence stratigraphy and subsidence analyses of 73 wells in the Beryl Embayment, Viking Graben, North Sea , this paper tries to describe the sedimentation and subsidence models of the Middle-Late Jurassic syn-rift phase, andto determine the timing and location of boundary fault linkage and variation of active extension directions, and their control onsedimentation and .

根据北海维京地堑Beryl淘73口井的高分辨率层序地层学分析和高分辨率沉降分析，阐明中、晚侏罗世沉积和沉降模式，确定应力场的变化及边界断层的连锁对沉积和含油气系统的控制作用。

The embryogenesis of this anatomical variation is discussed along with the review of relevant literature.

根据相应的文献，讨论了该患者胚胎发生时的解剖变异。

We report a case of extracranial fenestration detected by cerebral angiography, and analyze the embryologic pathogenesis and clinical significance of this variation.

本文报道1例经确诊为颅外型椎动脉窗式变异患者的全脑血管造影情况，并从胚胎学成因及临床意义方面进行分析和讨论。

The genetic variation of chloroplast genome in spelt and T. tibetanum was more abundant than that in common wheat and there were closer genetic relationships between common wheat and T. petropavlavskyi and between hexaploid wheat and emmer.

结论］斯卑尔脱小麦和西藏半野生小麦等群体内的叶绿体遗传变异比普通小麦更丰富；野生二粒小麦与六倍体小麦以及新疆稻麦与普通小麦之间具有很近的亲缘关系，为不同小麦种的遗传差异提供依据。

The distribution of energy with the variation in time and frequency can reflect the characteristics of signal.

能量是信号分析的一个重要物理量，它随时间和频率的分布反映了信号的特征。

Energy variation principle is a good method to solve the shear lag effect.

能量变分法是求解剪力滞问题的一个有效方法。

Firstly, the outage model of components is decided; then based on the load variation curves of load nodes the sampling, calculation and analysis of various system states are performed by enumerative sampling method.

首先确定元件的停运模型，然后以各负荷点的负荷变化曲线为基础采用枚举抽样法对各系统状态进行抽样计算与分析。

We studied the constraints and impacts of inhomogeneous climatic mean state of Tropical Pacific Ocean on air-sea disturbances using the relationship between the epilimnion and variation of sea bottom orography in the Eastern and Western Pacific Ocean, and provided dynamical explanation.

利用东西太平洋地区海底地形的变化与温跃层之间的关系，研究了热带太平洋非均匀的气候基态对海气扰动形成和发展的影响和制约，并作出了动力学解释。3。

For one-dimensional ocean temperature model, we optimally determined the initial and boundary conditions and related model parameters through variational assimilation method along with inverse problem techniques using incomplete and complete observational data,so as to determine the variation of position of epilimnion which has influences on SST.

由于温跃层的变化对海表温度的影响，我们以简单的海温模式为例，采用变分同化技术及反问题的技巧，在局部和整体观测资料下，对初、边值条件和模式参数等进行最优估计，确定温跃层的位置及其变化规律。4。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。