理论模型

At the same time, based on different assumptions, we discussed the shear strength prediction model of X-cor, the

同时，根据不同的假设讨论了X-cor的剪切强度预测模型，比较了它们之间的差异，为进一步建立更符合实际的理论模型打下基础。

The authors ab- sorb and develop the scattered arguments advanced by foreign scholars, and investigate the components of the product standardization strategy and its influencing factors. After that they propose a conceptual model of product sta...

本研究在继承、发展以往学者有关产品标准化战略的零散研究基础上，对产品标准化战略的内涵和影响该战略的内外部因素进行了深入、系统的梳理、归纳和提炼，构建了"产品标准化战略理论模型"，并对60家"世界500强"在华跨国公司的调研数据进行了实证检验，丰富和发展了全球营销战略理论。

In theoretically, the hot spot model of plasma ignition is studied, it can describe the ignition behaviors at a qualitative level and analyze all sots of effects.

理论上，研究了等离子体"过热点"点火理论模型，可以对等离子体点火过程进行定性地描述，分析点火过程中的各种效应。

The hot spot model of plasma ignition is studied , it can describe the ignition behaviors at a qualitative level and analyze all sots of effects .

理论上，研究了等离子体"过热点"点火理论模型，可以对等离子体点火过程进行定性地描述，分析点火过程中的各种效应。

Accounting for the characteristics of freeze-drying of granular material, a theoretical heat transfer model of atmospheric freeze-drying in spherical geometry was developed. The temperature distribution and movement distance of sublimation interface were calculated, then the speed of drying process can he deduced. Theoretical analysis was done on influence factors such as bed temperature, material size and adsorbent diameter.

以粒状物料为例，建立了球坐标下常压冷冻干燥的传热过程理论模型，计算了物料干燥过程中的温度和升华界面的移动距离，并对床温、物料尺寸和吸附剂粒径等影响因素进行了理论分析。

The target strength term R〓 in A-T model is derived based on the quasi-static spherically symmetric cavity expansion theory.

四。基于静态球形空腔膨胀理论，考虑脆性材料在高速冲击作用下的破碎，求出了空腔膨胀压力，即靶体阻力R〓，为合理确定修正的流体动力学理论模型中靶体强度参数提供了合理的方法，求出的侵彻深度与试验结果符合较好。

Based on rate equations, by use of a new method, a semiconductor optical amplifier theoretical model is constructed taking carrier density pulsation, spectral hole burning, stimulated emission, free carrier absorption, two-photon absorption and ultrafast nonlinear refraction effects into account.

基于速率方程采用新的推导方法得到了可以用来讨论飞秒量级光脉冲传输特性的半导体光放大器理论模型，该模型同时考虑载流子浓度脉动、光谱烧孔、受激辐射、自由载流子吸收、双光子吸收和超快非线性折射效应。

For this paper, in the light of research practices of authors in the recent years, after reviewing the study object and the study methods of traffic flow theory in brief, we dissertate the developmental states and subsistent problems of some kinds of theoretical models of traffic flow.

结合作者近年来的研究实际，在简要评述了交通流理论研究的目标和方法基础上，论述了几类典型的交通流理论模型的发展简况和存在问题。

It summarizes the current advancements in the aboveOmentioned field in terms of eight aspects :①relations between L2 speech perception and production ,②L2 phonological studies ,③L2 speech segmental studies ,④L2 speech acquisition models ,⑤L2 speech suprasegmental studies ,⑥L1 transfer in L2phonological acquisition ,⑦nonO linguistic factors in L2 phonological acquisition ,and ⑧L2 speech instruction.

本文主要探讨了国外第二语言语音习得研究近年来的进展，着重涉及以下8 个方面：①二语口头话语感知与表达的关系、②二语口头话语的音系学研究、③二语口头话语的语段理论研究、④二语音系理论模型的构建、⑤二语口头话语的超音段研究、⑥二语音系习得中的母语迁移、⑦非语言因素对二语音系习得的影响、⑧二语语音教学研究。

Canonical Analysis and Multiple Analysis of Variance are used to test the hypothesis of this research. The major findings of this study are summarized as following:(1) Overall, the global model fit is acceptable.

本研究的主要发现为：（1）整体而言，本研究整体理论模式配置符合可接受的适合度检定水准，表示本研究的理论模型可获得支持，故这四个构面间确实存在着影响关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。