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Based on the propagation law of partially coherent light, spectral changes of a polychromatic Gaussian-Schell model beam propagating in free space is studied.
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摘要基于部分相干光的传输定律，研究了多色高斯－谢尔模型光束在自由空间中传输的光谱变化。 |
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Based on the properties of bisymmetric matrices, a class of constrained inverse eigenproblem and associated approximation problem for bisymmetric matrices were essentially decomposed into the same kind of subproblems for real symmetric matrices with small
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摘要根据双对称矩阵的性质，将双对称矩阵的一类约束逆特征值问题及其逼近问题分解成具有较小阶数的实对称矩阵的同类子问题，然后利用实对称矩阵的结果导出双对称矩阵的这两个问题的解。 |
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Based on the prototype observation and model test made for the periodic-flushing de-silting basin, the process and the division of the three-stage hydraulic flushing are put forward on the basis of the feature of water-sediment movement, and then the calc
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摘要依据定期冲洗式沉沙池水力冲洗的原型观测和模型试验，根据水沙运动特征，提出定期冲洗式沉沙池水力冲洗三阶段冲洗过程及划分，分别给出泄空冲洗、溯源冲洗和沿程冲洗各阶段的计算式和有关参数。 |
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Based on the prototype theory of cognitive linguistics, this article carries on the precise semantic analysis to the metaphorical senses of Chinese lai/quand Korean oda/kadain time domain, discovers that lai/quand oda/kadahave two kinds of metaphorical se
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摘要本文从认知语言学的原型理论出发，对汉语“来／去”与韩国语“(符号略)”的时间域隐喻义进行了细致的语义分析，发现两种语言的“来／去”与“(符号略)”都有两种时间域隐喻义。 |
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Based on the provided data, the doctors can monitor a large class of patients at their own home, thereby obviating the need for either party traveling and reducing the occupation of valuable beds in hospitals.
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基于这些数据，医生就可以监控很多呆在家里的病人的健康情况，免去了面诊的需要，也减少了医院宝贵病床资源的占用。 |
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Based on the pseudo rigid-body dynamics equivalent model of compliant mechanism, combining with the work done of rigid body mechanism and principle of energy conversion and instantaneous center method, an analysis was carried out on the force transmission
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摘要基于柔顺机构的伪刚体动力学等效模型，结合刚体机构的做功与能量转换原理以及瞬心法，对柔顺机构的传力效益进行了分析，推导出了柔顺机构的力传递效益与机构位置关系的表达式。 |
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Based on the psychological concept of aesthetic perception, the relationship of aesthetic perception and innovation motivity is analyzed to reach the conclusion that aesthetic perception is the motivity of innovation.
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摘要从探讨美感的心理过程出发，以达到培养学生创新能力为目的，把“美感”这一审美心理作为论证基础，从认知领域、伦理领域和情感领域三个方面入手，分析了美感和创新力之间的关系，得出美感是创新动力的结论。 |
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Based on the push-and-pull theory, this paper analyzes the factors that influence the final realization of the mid and low class's flexible employment.
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摘要本文运用推拉理论对影响中低层灵活就业群体最终实现就业的因素进行分析。 |
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Based on the qualitative analysis about the development trend of our country's rent automobile, this paper studies the corresponding SD model.
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通过模型模拟来定量分析我国汽车租赁业发展趋势。 |
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Based on the quantitative studies of siliceous microorganisms and terrestrial detritus in 12 surface sediment samples, which were recovered by the First Chinese National Arctic Expedition team, in the Bering Sea, it goes without saying that diatom abundan
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摘要中国首次北极科学考察在白令海釆取了12个表层沉积物样品，其中对矽质生物和陆源碎屑的详细研究发现，它们主要由矽藻、放射虫和海绵骨针组成。 |
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Based on the questionnaire data which our study group about the Ageing of Jiao Dong did at 2006 8-9, in three denizen section of XiangYang street in YanTai, this paper used the methods of social networks, discussed the difference between family network an
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摘要本文依据2006年8月－9月份我院《胶东城乡老龄化问题》研究小组对烟台市向阳街道三个居民小区老年人进行的问卷调查数据资料，运用社会网络分析方法，探讨了城市老年人子女亲属网与子女外亲属网的差序性及其影响因素。 |
