一对

With two sets of pedals and two seats.

有两个座位和一对踏板。

My wife and I used to have a couple of pendant necklaces.

我的妻子和我曾经有一对夫妇的项链项链。

Apollo, of the silver bow, had bred them in Perea- both of them mares, and terrible as Mars in battle.

好一对牝马，追风的蹄子创扬起战神的恐怖。人群中，最好的战勇是忒拉蒙之子埃阿斯

Marsden was aware of another related pair, whose members reached perihelion 4 months apart.

Marsden注意到另一对有关联的彗星，它们相隔4个月过近日点。

They also have Rose Petal Water, you can put this on your skin all day.

他们也有玫瑰花瓣水，你就可以把这一对您的肌肤一整天。

A trick of light seems to give an extra pair of feet to this phalarope bird, seen from below the water.

一个变亮的手法好像是给额外的一对脚这个矶鹞之类鸟，看到从下面的水。

Patterns in Nature: Reflections A trick of light seems to give an extra pair of feet to this phalarope bird, seen from below the water.

一个窍门轻的手法，似乎给了一个额外的一对脚这只矶鹞鸟，在水的下面。

The ultra-high atomic level stress in the phase boundary can ensure the movement of a pair of anti-parallel dislocations.

在被压缩的纳米粒子中还观察到了孪晶结构，经分析，它通过一对反平行的Shockley不全位错运动而形成。

Our phlebotomist flew the coop.Well,he didn't fly away alone. Don't they make a lovely couple?

他不是一个人逃的这两个像不像是恩爱的一对儿？

A pair of RCA phono plug jacks is shared by the S-video and composite video inputs.

一个RCA音频插头插座是由一对S -视频和复合视频输入共享。

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。