查询词典 keel boat

If so the process of installing the keel trunk is the "make or break" step in the construction of the boat hull.

如果是的话的过程中安装龙骨的主干是"或打破"一步在建造该船的船体。

It must be deep enough to leave about two feet of water beneath the keel of the largest boat using the canal.

运河必须足够宽，能让两艘最大的船轻易地对开而过；它还必须足够深，能让最大的船的龙骨与河底保持两英尺左右的距离。

The canal must be wide enough to permit two of the largest boats using it to pass each other easily.It must be deep enough to leave about two feet of water beneath the keel of the largest boat using the canal.

运河必须有足够宽能让两艘最大的船轻松擦肩而过（这儿不好翻，pass each other easily 意思应该是两个船在对开的时候，可以比较容易通过），它还必须有足够深让运河中最大的船的龙骨与河底保持两英尺的距离。

One old man, who has been a close observer of Nature, and seems as thoroughly wise in regard to all her operations as if she had been put upon the stocks when he was a boy, and he had helped to lay her keel —— who has come to his growth, and can hardly acquire more of natural lore if he should live to the age of Methuselah ——told me —— and I was surprised to hear him express wonder at any of Nature's operations, for I thought that there were no secrets between them —— that one spring day he took his gun and boat, and thought that he would have a little sport with the ducks.

有一位老年人，是大自然的精密的观察家，关于大自然的一切变幻，似乎他有充分的智慧，好像他还只是一个孩子的时候，大自然给放在造船台上，而他也帮助过安置她的龙骨似的，——他现在已经成长了，即使他再活下去，活到玛土撒拉那样的年纪，也不会增加多少大自然的知识了。他告诉我，有一个春季的日子里，他持枪坐上了船，想跟那些野鸭进行竞技，——听到他居然也对大自然的任何变幻表示惊奇，我感到诧异，因为我想他跟大自然之间一定不会有任何秘密了。

To do this test we are going to place the finished lead bulb, radio board, batteries, and other weights to act for keel fin and sail rig inside the boat hull.

这样做测试，我们将会把成品导致灯泡，电台董事会，电池，和其他的权重，以法为龙骨，鱼翅和船帆钻机内的船民船体。

A large , shallow freight boat with a keel , formerly used on the Mississippi , Missouri , etc .

旧时密西西比河、密苏西河等用的龙骨船

Spikelets 1–1.2 mm, florets 2; glumes boat-shaped, keeled, scabrous on vein, ca. 1 mm; lower glume subacute; upper glume truncate, awn 0.3–0.5 mm; lemma of fertile floret broadly boat-shaped, ca. 1.2 mm, leathery, pilose along keel and incurving margins; palea obovate, narrower than lemma, keels scabrous; upper lemma much reduced, cuneate, lying within concave back of palea of fertile floret.

小穗1-1.2毫米，小花2；颖片舟状，龙骨状，粗糙的在脉上，约1毫米；更低的颖片近尖；上面颖片截形，芒0.3-0.5毫米；宽舟状的肥沃的小花的外稃，大约1.2毫米，沿着龙骨和incurving 边似皮革，具柔毛；倒卵形，狭窄比外稃，粗糙的龙骨的内稃；上面外稃非常退化，楔形，躺在内凹在内稃的能育小花后面。

The keel of the boat which struck us came into the boat, on the right side.

通勤客轮上的一位工作人员说，碰撞事故发生得很突然，感觉船体右侧被撞击了，随后船上灯光熄灭，一些人被撞到，船体碎片掉到乘客头上。

"The keel of the boat which struck us came into the boat, on the right side. We could see the writing and details on the cargo ship."

这位工作人员还说，碰撞事故发生后客轮上的乘客可以看到撞到船上的货轮的龙骨。

Keel boat.

龙骨船。

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。