一对的

His prescription called for " a pair of crickets, each being the first and only mating partner of the other"," drum skin pellets," and the like.

那位绍兴城"轩辕岐伯的嫡派门徒"，为鲁迅得了水肿的父亲看病，所开药方竟是些"原配蟋蟀一对、败鼓皮丸"等。

The agronomic traits and genetic character of dwarfism of XHA and AZH were studied.

结果表明它们的半矮生性都是由一对基因控制的。

One mother-child dyad from middle socioeconomic class were asked to do what they normally did at home.

研究对象是一对中阶家庭的母女。语料来自於受试亲子在家互动的语言。

Scientific knowledge about the GM food edibility safety and nutrition quality has changed

一对转基因食品食用安全性和营养质量的科学认识发生改变的

Apparently it was a couple with an 11 year old daughter, who had moved into an empty apartment.

显然这是一对夫妇与一名11岁的女儿，谁已迁居到一个空的公寓。

Can you imagine an enviable couple both to be killers?

你能想象一对令人羡慕的夫妻各自的职业都是杀手吗？

One the Christmas EPC organised us to visit an Australia family .

我的host家庭是由一对年轻的夫妇所组成。

Leaf blade with one obvious pair of basal veins, abaxially not very densely hairy; epicalyx lobes as long as pedicels.

叶片具一对明显的基出脉，背面的并非有密毛；副萼裂片倍于花梗。 13 S。 cinnamomifolia 樟叶苹婆

Leaf blade without a pair of basal veins, abaxially very densely hairy; epicalyx lobes much longer than pedicels.

没有一对基出脉的叶片，背面的有密毛；副萼裂片远长于花梗。 14 S。 pinbienensis 屏边苹婆

In the first part, one of the side-arms of hexakisbenzene was replaced with a 4-pyridinylethynyl group. Comparing with analogous compounds incorporating a 2- or 3-pyridinylethynyl moiety, the compound with a 4-pyridinyl -ethynyl unit shows lowest melting and clearing points.

中文摘要系列一部分为在六炔苯基苯盘形分子上引入一对位吡啶炔侧臂，在与引入邻位、间位的分子相比较后，发现含对位吡啶炔侧臂的化合物其澄清点温度最低且无热分解问题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。