This article was widely criticized by traditional instructors, as being far too optimistic and unachievable.

Cheap, pesticide-free food is probably an unachievable objective.

也许，永远不会有便宜而未使用过农药的食物。

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Simulation result shows that the model can give higher accuracy, which is generally unachievable for time series model and multiple regression models.

预测结果显示，集成后的模型能够取得较高的数值预报命中率，而且预测误差较小，这是一般时间序列和多元回归方法无法达到的。

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While perfect security is unachievable here, there are techniques that can limit how much damage each application can do.

虽然完美的安全性是不可能达到的，但是有一些技术可以限制每个应用程序的危害程度。

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This goal, however, looks increasingly distant and unachievable in today's taiwan.

但这在现阶段的台湾似乎已经成了一个日渐遥远、甚至遥不可及的奢望。

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A recovery in2009 is unachievable in the current economic climate, according to sector leaders.

根据该行业领导厂商的看法，在目前的经济大环境下2009年还是无法实现复苏。

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As he grows you also age, and your ambitions become more unachievable.

他的成长也伴随着你的衰老，期间你的雄心壮志也会变得越来越难以实现。

高考真题- 2016 天津 阅读B

A vertical surface forward of the vertical stabilizer ( fin).

垂直安定面前边的一个垂直面。

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Development of curing carbon composite vertical stabilizer

共固化碳复合材料垂直安定面的研制

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In addition to stabilizing the robot in a similar way to an aircraft's traditional vertical stabilizer, the tail also leans to make left and right turns.

除了能像传统飞行器的垂直稳定翼那样稳定机器本身外，尾翼还能倾斜，以促使左右转弯。

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Design and Manufacture of Curing Mould for Composite Vertical Stabilizer Structure

复合材料垂直安定面固化模具的设计和制造

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The amount of isoflavones may vary with the soybean variety and soybean product.

不同品种的大豆及不同的大豆产品，其异黄酮含量也可能不同。

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Soil roughness parameters ( h and Q) vary with the observing frequency.

地表粗糙度参数（h和Q）随着观测频率而变化。

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The com position of the community vary with elevation and crop species;

杂草群落因作物、海拔而变化；

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Client mode performance can vary with network load, even to the point of breaking the connection.

客户机模式性能可能因网络负载，甚至断开连接的点的不同而不同。

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The percentage of necrotic surface does not vary with the development of course of disease.

股骨头坏死的坏死面积比例不随病程的延长及临床分期的进展而改变。

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We know how the volume and temperature vary with respect to each other at constant pressure.

知道在恒定压强下，体积如何随着温度变化。

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Smell and color of honey vary with source of honey.

蜂蜜的气味和色泽随蜜源的不同而不同。

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User input requirements and validation vary with the locale.

用户输入要求及验证会因语言环境的不同而有所变化。

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Prices vary with the quality.

价格随质量不同而变化。

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Source effects vary with field periods, resistivity, source altitude and observation location.

场源效应受场源高度、信号周期、电阻率、测点距离等的影响。

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