无双亲的

When we modulate appropriate sodium salicylate concentration, the width of nano-stripes becomes 16nm.

同时，在含有菱形孔的云母片上，我们发现此双头双亲分子只在无孔地方有界面聚集，所形成的条带结构均平行于云母上菱形孔的一边。

Explain to expectant parents that this study has found small intracranial hemorrhages in about one in four infants delivered vaginally, compared with none among babies delivered by Caesarian section.

给期待中的双亲声明一下，该研究发现经产道出生的婴儿中四分之一合并小的颅内出血，与之相比，剖腹产无一例并发颅内出血。

Since the parents' death in the earthquake, we have no choice but to take the children into care.

由于孩子的双亲均死于地震，我们无别的选择，只有收他进福利机构。

It was confirmed that facultative apomixes is existed in coffee species based on emasculating treatment, cyto-genetic observe and SSR marker detection.

细胞遗传学观察发现咖啡四倍体类型材料(2n=4x=44)的多胚和多胚苗中含有天然的单倍体胚和单倍体小苗(2n=2X=22)；去雄处理后，可见子房膨大，其中5份材料获得了果实和种子，初步说明无融合生殖现象的存在；对小粒种品种间杂交F1代个体的SSR分析，发现多胚苗中存在与母本图谱相同且不携带父本特异带的后代以及携带双亲特异带的有性后代，表明子代有仅来自母本的无融合生殖个体分离出来。 3 建立了咖啡无融合生殖的分子鉴别方法。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。