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

1、

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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2、

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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3、

road vehicles--semi trailer fifth wheel mounting

半挂牵引车牵引座的安装

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4、

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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5、

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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6、

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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7、

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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8、

improvement on catheters irrigation method in supply room

供应室导管冲洗方法的改进

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9、

continuous irrigation method in field with low positive pressure

低正压地中连续灌溉法

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10、

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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11、

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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12、

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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13、

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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14、

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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15、

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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16、

this is also an excellent irrigation method for plants susceptible to leaf mold or other diseases.

这也是植物易受霉菌或其他疾病的良好的灌溉方法。

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17、

this paper presents a new irrigation method in orchards-water storage pit irrigation.

介绍了一种适合于果林灌溉的新方法——蓄水坑灌法。

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18、

the invention relates to an irrigation technology of rice, in particular to an aerobic irrigation method of rice.

本发明涉及水稻灌溉技术，特别是一种水稻好氧性灌溉方法。

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19、

本研究表明根系分区交替滴灌是一种切实可行的节水灌溉技术，可在干旱缺水的棉花生产地区进一步研究和推广应用。

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20、

in areas where the water sources are insufficient, any irrigation method which makes for an economical use of water shall be adopted.

在水源不足地区，应当采取节约用水的灌溉方式。

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