design& implementation of dynamic cascade drop down list box based on b/ s architecture

items can be saved and will appear on later invoices from a drop down list.

项目可以保存，将出现在以后的发票从下拉列表中。

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right-click on the selected plug-in, and from the drop down list select export.

右键单击被选择的插件程序，并且从下拉列表中选择Export。

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keep your jacket on, and have a cotton handkerchief handy:" no one wants to watch you wait for that drop of sweat to fall off your forehead," the authors note, so just wipe your face.

穿上外套，并随身携带一条棉质手绢。作者写道：“没有人希望看到你一直等到额头上的汗自己慢慢滴下来。”所以，擦擦脸没有关系。

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content of organic carbon begin to increase in spring, reach to summer peak, drop dramatically in fall and have a small increase in winter, but seasonal changes for total nitrogen and total phosphorus are reversed.

大叶藻有机碳、全氮和全磷含量呈季节性变化，有机碳含量在春季增长，夏季达到峰值，秋季急剧下降，冬季有所回升；全氮和全磷含量在夏季较高，其它季节较低。

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the queen took from somewhere among her wrappings a very small bottle which looked as if it were made of copper. then, holding out her arm, she let one drop fall from it on the snow beside the sledge.

女王从身边掏出一个很小的瓶子，它看上去是铜做的。然后，她伸出手臂，从瓶里倒出一滴东西滴在雪橇旁边的雪地上。

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then, holding out her arm, she let one drop fall from it on the snow beside the sledge.

然后，她伸出手臂，从瓶里倒出一滴东西滴在雪橇旁边的雪地上。

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darcy's formula is used for hydraulic calculation of gathering station piping, colebrook equation used for determination of friction coefficient, and pressure drop from local resistance is determined using equivalent length method.

站内管路水力计算采用达西公式，摩阻系数采用科尔布鲁克公式，局部阻力压降采用等效长度法。

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as in the for-profit world, pay freezes are going away: 18% of nonprofits will freeze salaries this year, a big drop from 53% last year.

而且与营利性企业一样，薪酬冻结比例大幅降低：今年仅有18%的非营利性机构表示将冻结工资，而去年这一比例高达53%。

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if the production of each of these two fuels reached 20 million tons by 2030, the oil consumed annually by chinese cars would drop from 140 million to 100 million tons.

如果在2030年这两种燃料的产量能够分别达到2000万吨，届时中国汽车所需的石油消费量将可以从1.4亿吨下降至1.0亿吨。

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with the observation of practical data, the pressure drop from the measurement point to the nozzle inlet is determined, and the appropriate value of oxygen pressure after its first decompression is suggested.

由实测值获得了测压点至喷孔进口处的压力损失，给出经一次减压后氧气压力的合适的设定值；

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the above image spans about one kilometer near the north of mars, and the elevation drop from right to left is over a kilometer.

上图在火星北半球，绵延约一公里，从右向左的海拔落差超过一公里。

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bonita's graphical tool is simple to use, allowing drag and drop from a palette into an editor window called a whiteboard.

Bonita的图表工具易于使用，允许从选项板拖放到名为白板的编辑窗口。

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a stronger-than-expected labour report in australia saw the country's unemployment rate drop from 5.4 per cent to 5.2 per cent.

与此同时，澳大利亚的就业市场报告也优于预期，失业率从5.4%降至5.2%。

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the health ministry reported more than 74000 new cases on sunday, a drop from mid-september's numbers of more than 90000 daily cases.

印度卫生部周日报告了超过7.4万例新增病例，较9月中旬的单日增长9万多例有所下降。

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the relative error of the simulation result is 5.4%. the influence of pressure drop from the different structure parameters of the heat pipe exchanger was analyzed.

分析了不同的结构参数对换热器压降的影响。

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a drop from a pond, viewed through a microscope, swarms with tiny organisms.

通过显微镜可以察看到一滴池水里有一大群微小生物体在游动。

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that's a drop from a month before, and it's the lowest unemployment rate it has been in nearly four years.

这个数字相比前一个月有所下降，而且在近四年中已经是最低的失业率。

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the problem of cut tobacco drop from running feed dolly was then resolved and the environment of workshop was improved.

改进后使用效果良好，解决了小车在运行中飘落烟丝的问题，改善了生产现场的环境。

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the results of this study also show that estimation of seismic stress drop from the peak parameters of ground motion will become a new practical method.

研究结果还表明用地面运动峰值参数估算地震应力降是一种新的实用性较强的方法。

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high winds scour the landscape and temperatures can drop from baking to freezing in moments.

风在大地上急速穿过，气温也可以从酷热难当骤降到冰冷入骨。

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