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Arbour said the current food crisis stems from several factors including distortions in supply and demand and unfair trade policies .

阿布尔女士指出，目前的粮食危机是好几个因素引起的，其中包括供需失调和贸易政策不公平。

Arbour said the current food crisis stems from several factors including distortions and in supply ing and demand and unfair trade policies.

Arbour 说，当前的粮食危机是好几个因素引起的，其中包括供需失衡和贸易政策不公。

Applying theories of numerical analysis and higher geometry, the corresponding mathematical model of stem line is established according to different stems. Whereby, the centers, radii of the arc and its tangent points with the water-line can be found and the curve of arc radius is thus determined. A general formula for expressing stem curved surface is introduced.

应用数值分析和计算几何理论，根据船体首部线型特点，建立首柱轮廓线数学模型；计算水线首圆弧圆心、半径和切点，确定首圆弧半径线；给出首部曲面的通用方程式。

The flowers are produced very freely, in large clusters elegantly poised on the end of slightly arching stems.

花朵是产生了非常自由，这在很大程度上集群的优雅准备年底略有拱茎。

Stems erect or arching and rooting at apex.

茎直立或拱起和根在先端。

Tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America.

一种高的、具有柔软且直立的茎或呈拱形茎的灯心草属植物，在北美属于一种常见植物，在欧亚大陆、澳大利亚和新西兰也可以见到。

The dried flower heads and occasionally the underground stems and roots are the source of medicinal arnica.

晒干的花头，有时地下茎和根药用arnica来源。

The strategy for removing the guest house from the main house and including an auto court in between stems from the idea that complimenting forms which spatially could be perceived as once being united allow the interstitial space between a sense of connection, if only visual.

的战略消除招待所主要包括房屋和汽车法院之间源于想法，称赞形式空间可视为一次被联合国允许间空间之间的联系，如果只有视觉。

Plants that are overexposed to light can produce weak stems because of low auxin levels.

这已经不堪重负光可以产生弱的植物茎，因为生长素水平低。

Plant with fleshy roots and erect stems with narrow succulent leaves and 1 reddish-orange flower in each upper leaf axil ; southwestern United States; Indians once cooked the fleshy roots.

具有肉质化的根，直立的茎，狭窄、多汁的叶，每个叶腋上部有一朵橙红色的花；产自美国西南部；印第安人曾烹制过其肉质的根。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。