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Our research showed that the genetic variation of raptors and nighthawks was abundant and that the number of transitions and transversions in 12S rRNA and 16S rRNA genes increased gradually with p-distance and appeared not to be saturated, which indicated the phylogenetic relationship made in this study was really reflected.

所采用的12S rRNA和16S rRNA基因变异丰富，研究表明该基因的转换数和颠换数随着遗传距离的增加呈稳定性增长，未出现饱和现象；因此该基因数据能够提供有效的遗传变异信息，反映出较高真实水平的鸟类系统发育关系。

He gradually became a drug abuser and had several suicide attempts.

慢慢的他成了一个物质滥用者而且也数度尝试自杀。

Aqueous extract of cotton has allelopathic effect on Raphanus sativus, Brassica campestris, Lactuca indica, Brassica campestris, Echinochloa crusgall, Setaria viridis and Abutilon theophrasti and its inhibition effect gradually strengthens with increasing concentration. Aqueous extracts from stems, leaves and roots of cotton inhibit or accelerate seed germination and seedling growth, and activity of enzyme of seedling root of cotton. While aqueous extracts from stems and leaves of cotton are 0.02 gmL^(-1), root length, shoot length, lateral root number and dry weight of cotton respectively increase by 10.3%, 3.1%, 22.9% and 2.4% over the control. The above mentioned indexes are lower than the control by 34.4%, 39.2%, 40.6% and 19.0% respectively as the aqueous extracts are 0.1 gmL^(-1). At the same time, root activity and SOD activity decrease by 38.2% and 36.7%, while POD activity and MDA content increase by 52.3% and 36.5%. Growth indexes of plant receptors increase at low concentrations but decrease at high concentrations of aqueous extracts. The allelopathic effect of aqueous extract of stems and leaves is stronger than that of root.

结果表明：棉花植株水浸提液对萝卜、白菜、莴苣、油菜、稗草、狗尾草、苘麻均具有化感效应，随着作用浓度增加，抑制效应逐渐加强；棉花茎叶和根系水浸提液对棉花种子萌发、幼苗生长、幼苗根系活力、根系酶活性有抑制或促进作用，当茎叶浸提液浓度为0.02 gmL^(-1)时，棉花根长、苗高、侧根数、干重分别比对照增加10.3%、3.1%、22.9%和2.4%，当浓度为0.1 gmL^(-1)时，上述指标与对照相比分别降低34.4%、39.2%、40.6%和19.0%，而根系活力、SOD活性比对照降低38.2%、36.7%，POD活性、MDA含量较对照增加52.3%和36.5%，不同浓度棉花植株水浸提液对棉花生长呈现"低促高抑"的规律，且茎叶浸提液作用效应大于根系浸提液。

I often hided myself out in a quiet corner, facing the bright moon in the sky, allowing sorrow being pulled into a bottomless abysm and gradually spreading into deep-felt miss.

我常常一个人静静地躲藏在寂静的角落，面对天空中的明月，任由悲伤被扯进无底的深渊，徐徐地蔓延进深切的思念里。

Chinese enterprises in the development of the domestic market, while also gradually accelerated internationalization path.

中国企业在发展国内市场的同时，也逐渐加快了国际化的道路。

Since the 1990s, with accelerative propulsion of the revolution of information technique within the scope of world, the information network system of overlaying the globe has gradually been built up.

20世纪90年代以来，信息技术革命在世界范围内加速推进，覆盖全球的信息网络系统逐步建立。

It has gradually developed into a complete access control system.

它已经逐渐发展成为一套完整的出入管理系统。

The expression level of UCP2 mRNA reduced gradually that maybe is one of acclimation responses to hypoxia environment.

随着低氧时间的延长，UCP2 mRNA的表达水平逐渐降低是对低氧环境的一种适应性反应。

The expression_r_r level of UCP2 mRNA reduced gradually that maybe is one of acclimation responses to hypoxia environment.

随着低氧时间的延长，UCP2 mRNA的表达水平逐渐降低是对低氧环境的一种适应性反应。

Through reducing humidity gradually and three-step acclimatization procedure, the survival rate could be over 80%.

通过逐渐降低湿度和分步炼苗，生根试管苗移栽成活率可达80%以上。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。