直升飞机

Rescue workers have been using helicopters to pluck people from rooftops and take them to safety.

营救人员不断通过直升飞机救起在屋顶上的居民，并将他们送到安全的地方。

Rescue workers have been using helicopters to pluck people from rooftops and take them to safety.

救援人员已经在使用直升飞机来营救屋顶上的人并且将他们带去安全的地方。4。

Yet still they came—in helicopters, scuba gear and speedboats.

可是他们还是来了——有的坐直升飞机，有的从水下潜泳，有的乘快艇。

Yet still they came—in helicopter s, scuba gear and speedboats.

可是他们还是来了——有的坐直升飞机，有的从水下潜泳，有的乘快艇。

It was built in the San Juan Mountains by one of his sponsors and is accessible only by helicopter.

它位于圣胡安山脉由他的一位赞助商出资修建，只有直升飞机可以到达！

"I saw the plane coming down and the helicopter coming across," said Hilda Igartua, 53, of Union City, N.J., who was on the Hoboken waterfront.

纽泽西州综合大学的Hilda Igartua，53岁，说：&我看见飞机垂直下降，直升飞机也飞了过来。&当时她正在霍博肯的水边码头。

American soldiers held on to boxes and shielded themselves from the prop wash as a helicopter landed at Observation Post Mace in eastern Afghanistan's remote Nuristan Province.

阿富汗， Nuristan省：当一架直升飞机降落在Mace观察哨时，美国士兵们紧紧抓住箱子保护他们不被吹走。

The ship is carrying small boats which could go into the Irrawaddy Delta and helicopters which can drop food.

这艘船上还有能在伊洛瓦底江三角洲航行的小艇及用来空降食物的直升飞机。

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。