form a study group的意思|示意

According to a study published in the journal Nature, the genes in question are a group of 28 that form part of chromosome 16.

根据一项发表在《自然》杂志的研究，这类“瘦身”基因由人类第16号染色体上的28个基因组成。

It's also worth pointing out that the study involved a relatively small sample of girls: 83 in total, which doesn't seem like a large enough group to form any definitive, universal conclusions.

再一个值得指出的是，该项研究涉及了一个相对较少数量的女孩样本：总计83名，这似乎不是一个足够大的群体，不足以得出可靠通用的结论。

In 1948, at its first meeting, it was decided to form a joint study group on smallpox.

1948年举办的第一届会议决定就天花问题成立一个联合研究小组。

But a study by a group of scientists at the University of Houston suggests that melatonin might have a negative impact on the ability to form new memories.

但是，休斯顿大学的科学家们研究表明：褪黑素阻碍记忆形成。

Methods A L-form bacteriological study was made on 70 patients (100 eyes) with chronic conjunctivitis and 40 people 50 eyes without eye trouble as a control group.

方法：对70例（100只眼）慢性结膜炎患者和40例（50只眼）正常对照者的结膜囊拭子进行普通细菌培养和L型细菌培养，培养阳性的进行细菌鉴定和药物敏感实验。

Organic reefs in the study region form a patch reef group on the carbonate platform margin ramp and they are interruptedly distributed along the platform margin.

研究区的生物礁为碳酸盐台地边缘缓坡点礁群，沿着台地边缘断续分布。