The flow field in the swirl chamber of a motored diesel engine was measured by Laser Doppler Anemometry (LDA).
本文报导了采用激光技术对柴油机涡流室内流场进行实测的结果。
The results show that the measurement volume with off-axis of the LDA-probe has different performance from that with on-axis probe.
结果表明，LDA探头非垂直布置时，测量控制体具有与垂直布置时不同的性质。
At last , we used the base: LDA, dry ice-acetone bath , to synthesize the enol phosphates and gain very high rigio-selectivity.
最后我们选用异二丙胺锂（LDA）为碱，在干冰丙酮浴下，合成了烯醇磷酸酯，并有很高的立体选择性。
Inter PRODUTIS LDA is an international purchaser from Portugal, need to buy products of Tool etc. categories.
该公司是一家国际采购商，来自葡萄牙，需要购买的产品类别包括：工具等。
Load dump anticipation (LDA) function are one of the important steps to ensure the success of the steam turbine load dump test, and this circumstance is vary rare.
甩负荷预测功能是确保机组成功进行甩负荷的一项重要措施，大型汽轮机组中发生该功能失效的情况很少见。
But the dimensionality of the original face image is too high to use LDA method directly.
但人脸的原始特征空间维数很高，无法直接利用LDA方法提取分类特征。
The coherent output of a LDA has been achieved by a simple EC consisted of a commercial LDA, a fast axis collimation lens and an external mirror.
我们用一个普通的商用LDA、一个快轴准直透镜和一个外腔镜构成的简单外腔实现了LDA的外腔锁相运行。
A model for predicting the tumble speed is derived and verified by the steady flow rig and the in-cylinder flow measurement results by a LDA system.
据此建立了缸内滚流比预测模型，并在稳流试验和拖动工况下缸内流动的LDA测量试验中得到验证。
Laser Doppler Anemometry (LDA) is a non-contact optical method for measuring flow velocity.
激光多普勒测速技术(LDA)，是一种流体速度的无接触式光学测量方法。
The method applies LDA model on temporal news reports to extract news topics, the number of topics in different time periods is different.
首先应用LDA对不同时间段的文集进行话题的自动抽取，话题数目在不同时间段是可变的；
An effective position of LDA measurement points and position verification method have been utilized, and a series of velocity profiles with different oil flow rates achieved.
组合时采用了合理的测量点定位及校验方法，得到了不同轻相流量下的油水两相流速度分布曲线。
TRICOS LDA is a foreign buyer from Portugal, need to purchase products of Consumer Electronics etc. categories.
该公司是一家来自葡萄牙的买家，需要购买的产品类别包括：家用电器等行业。
Guo A. Wang X M. Liu S K New LDA system utilizing the optic-electro-hybrid feedback technique.
王仕康。郭晓明。刘昌文激光多普勒测速仪的一种光电调制反馈方法。
The results revealed that the smoke signal of adhesive can be reduced by increasing the content of LDA.
测试结果表明，增加联二脲添加量可以降低胶粘剂烟雾信号；
The oscillatory flow in an U-tube is measured using LDA.
本文介绍LDA用于测量U形水槽内的振荡流。
London Development Agency (LDA) has to bring about and supervise the switch-over.
伦敦发展局在源头上进行促进和监督。
The application of high-power laser diode arrays (LDA) is becoming wider and wider, but the quality of output beams from LDA is poor for its unique mechanism of luminescence.
大功率半导体激光器阵列(LDA)的应用日益广泛，但受其发光机制的限制，光束质量较差。
A high efficient coupling system, hollow duct applied to planar laser diode array (LDA) was investigated systemically.
对高效的用于面阵激光二极管阵列(LDA)的光学耦合系统—空心导管进行了系统地研究。
A practical LDA signal processor based on the burst counting technique is presented, focusing on its working principle, hardware system and detailed construction.
讨论了计数型多普勒信号处理器，着重介绍计数型信号处理器的工作原理，及各主要硬件部分的构成原理和具体结构。
Polyether polyurethane elastomer material was prepared based on polypropylene oxide glycol, toluene diisocyanate (TDI) and DEG as main base meterial, LDA and APP as flame retardants.
以聚氧化丙烯二醇和甲苯二异氰酸酯、一缩二乙二醇等为主要基体材原料，以联二脲（LDA）、聚磷酸铵（APP）作为阻燃剂，制作了聚醚聚氨酯弹性体。
The experiment results show that MFE outperforms several improved versions of LDA in the case of small samples, and achieve a satisfying performance for larger samples.
实验表明，算法在小样本情况下对于两类和多类问题均具有良好的推广性能，优于多种线性判别准则的改进算法； 并且在样本较多时也取得了满意结果。
Experiments demonstrate that the proposed method can effectively solve the small sample size problem of LDA.
多个人脸数据库上的实验结果表明，本算法能够有效地解决线性判别分析中的小样本规模问题。
From the error analysis of LDA pointing, it is found out that the amplifier without micro-lens is more preferable.
最后引入了指向误差分析，比较了这两种耦合方式的优劣，最终将放大器定为直接耦合抽运方式。
The computed results reveal GGA can give the more accurate data than LDA for the noble metal system, and are also found to be in good agreement with experimental measurements.
计算结果表明，对于贵金属GGA给出的计算结果精度要高于LDA，计算所得结果与实验吻合。
After analyzing all the factors which determine gain of a laser diode array (LDA) pumped Nd glass rod amplifier, the optimum parameters are presented.
对影响激光二极管阵列(LDA)抽运钕玻璃棒状放大器增益的各因素进行分析，确立了放大器的优化参量。
Then, the LDA transformation matrix is improved with CCA, which makes the reduction of dimensions adaptive.
然后采用典型相关分析（CCA）改进线性判别分析（LDA）中的变换矩阵，使得特征向量的降维具有自适应性；
After crystallized in ethanol, the purity of LDA is more than 98%.
LDA粗品在乙醇中结晶后得到LDA精品，纯度达到98%。
The result indicated: the method has a higher recognition rate than the traditional LDA and PCA in the lower dimension space.
实验表明，本文提出的方法在低维空间比传统LDA和PCA有更高的识别正确率。
The result indicated: the method has a higher recognition rate than the traditional LDA and PCA in the lower dimension space.
实验表明，本文提出的方法在低维空间比传统LDA和PCA有更高的识别正确率。
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