the first three resonant frequencies and vibration modes of a novel flextensional transducer are calculated by finite element method, and compared with measured values.

1、

one-sided outboard-driven flextensional transducer

单侧外部驱动弯张换能器

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2、

fem stress analysis of class-iv flextensional transducer new method for visualization of fem stress fields

IV弯张换能器的有限元法应力分析有限元应力场可视化的一种新方法

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3、

calculation and measurement of the assembly displacement of a flextensional transducer shell

混沌型传感器（英文）弯张壳体装配位移的理论计算及实验测量

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4、

the finite element method analysis of concave flextensional transducer

凹型弯张换能器的有限元分析

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5、

the modeling and calculation of a barrel-stave flextensional transducer is presented based on the finite element method.

用有限元法对凹桶型弯张换能器进行了建模与分析计算。

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6、

the calculating and assembly methods use in this paper may be generalized to other classes of flextensional transducer.

本文的计算及装配方法，可以推广到其它类型的弯张换能器中。

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7、

analysis of net assimilation rate and crop growth rate indicates that two peaks of photosynthetic activity occur during the growing season.

净同化率和作物生长率分析表明，在生长季节出现两个光合活性高峰。

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8、

road vehicles--semi trailer fifth wheel mounting

半挂牵引车牵引座的安装

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9、

however, rfid is still a long way off replacing bar codes.

但是RFID要想取代传统条码，还有很长的路要走。

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10、

the edge etching system is key processing equipment of pv production line subjected to solar cell etching after the plasma diffusion .

周边刻蚀系统是利用等离子体对扩散后的电池片的边缘进行干法刻蚀，是太阳能电池片生产线的关键工艺设备。

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11、

markets for foreign exchange, gold, securities, futures and the like shall continue.

继续开放外汇、黄金、证券、期货等市场。

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12、

in the middle east, dubai gold securities launched a sharia compliant vehicle, also backed by gold bullion.

在中东，DubaiGoldSecurities推出了一种适合伊斯兰世界的投资工具，这种工具同样是以金条为基础。

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13、

improvement on catheters irrigation method in supply room

供应室导管冲洗方法的改进

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14、

continuous irrigation method in field with low positive pressure

低正压地中连续灌溉法

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15、

the research on irrigation and irrigation method for konjac no-soil cultivation

魔芋无土栽培灌水量与灌水方式的研究

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16、

effects of irrigation method on growth, development and activity of tomato roots

灌溉方法对番茄生长发育及吸收能力的影响

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17、

moisture migration regularity and new irrigation method in the sandy soil of river ancient channel

河流故道区砂质土壤水分运移规律及灌溉制度初探

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18、

irrigation method of circle furrow with small pipes from which water outflow for fruit frees micro-irrigation

果树微灌小管出流环沟灌溉法

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19、

leaching quota on steeping field for transplanting rice and irrigation method of growing rice in saline-alkali land

盐碱地种稻泡田冲洗定额及灌水方法

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20、

the main surface irrigation methods usually used were 2 types such as different irrigation quota method and delaying irrigation method.

表面灌水法采用的方式主要有不同灌水定额法和推迟灌溉法，现在后者利用较多。

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