查询词典 terns

He was able to hazard at the time that perhaps 50 terns survived.

他能够大胆猜测大概有50只左右的黑嘴凤头燕鸥存活着。

At various times of the year you can see gulls, terns, herons and many more species.

在其他的时候你还能看到海鸥，燕鸥，苍鹭和许多不同的种类的鸟。

BirdWatch Ireland runs a tern conservation project at four locations to protect breeding Roseate and Little Terns.

爱尔兰观鸟组织BirdWatch Ireland 在当地四个地方进行了保育计划，保护在当地繁殖的粉红燕鸥和白额燕鸥。

I was visiting a perfect laboratory for detecting pure seagoing trash, the kind that migrates like terns or bluefish.

我正在参访一间最完善的实验室，这间实验室可以侦测到道地入海的垃圾，就像燕鸥或青鱼一样会向海中漂移的东西。

The TERNS encloses the needle tip and protects the canula by means of an impermeable element made of thermoplastic elastomer.

燕鸥的针尖包围和保护所作出的热塑性弹性体的渗透元素手段导管。

In terns of the general theory of linear algebra, reduced matrix for the operator M are similar to a Jordan matrix J, namely M = S~lJS .

当约化矩阵M不可对角化时，根据线形代数的一般理论，这时约化矩阵M与一个约当矩阵J相似，即M=S~(-1)JS，其中S是关于k，q_0的任意可逆矩阵。

And to any special terns and conditions endorsed hereon and/or may from time to time be circularised.

并以任何特殊燕鸥和条件赞同。并在此/或可能不时被发送。

We also did a little birding but birding on Matsu during the summer is limited to the terns really.

我们也从事了点赏鸟活动，不过夏季在马祖赏鸟其实只看的到燕鸥。

Frigatebirds or noddy terns are a clue that an island can't be far, because those birds always return to the shore at the end of the day.

军舰鸟或黑燕鸥的到来都会提示他，岛屿离的不远了，因为这些鸟总是在当天返回岸上。

In August of the second year, he found a handful of Chinese crested terns nesting among a colony of greater crested terns.

在第二年的八月，他在大凤头燕鸥的繁殖地发现了很小一堆黑嘴凤头燕鸥的巢。

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。