自然发生

The speech was also Huxley's attempt to define an orthodox Darwinian position on the question, and attempt to define as "non-Darwinian" all those Darwin supporters who believed that spontaneous generation up to the present day was an essential requirement of evolutionary science.

赫胥黎在这篇演讲中也试图在这个问题上划定正统达尔文学说的位置，并试图将"非达尔文者"划定为那些相信自然发生说直至今日仍是进化论的必要条件的达尔文支持者。

Most naturally occurring earthquakes are related to the tectonic nature of the Earth.

大多数自然发生的地震与与地球的构造性质有关。

Migration of adult worms may occur spontaneously or as a result of some stimulus such as fever or tetrachloroethylene.

成虫的移行可自然发生，或因一些刺激诸如发热或四氯乙烯而造成。

Lycorma delicatula is a kind of pest insect on tree of heaven and plant of Meliaceae, It is also a kind of important resource insect for medicine.

斑衣蜡蝉是自然发生于臭椿树和苦楝树的一种重要害虫，也是一种重要的药用昆虫资源，分布于山东省、江苏省等地。

There is no such thing as naturally occurring rose, white or green gold.

有没有什么事是自然发生的玫瑰，白色或绿色黄金。

Normal,preascitic and ascitic broilers selected from a block that had ascites syndromewere used as study objects.

本研究从田间自然发生腹水症的肉鸡群中选取正常肉鸡、亚临床腹水鸡和腹水。。。

In both types of autogenic succession pioneer species colonize quickly making opportunistic use of resources before the invasion of more competitive species.

在这两种自然发生的演替中先锋物种的移殖很快，在较强竞争力的物种入侵之前充分利用空间。

It seems that nature changes its direction, but in fact, it is just moving around like the river coiling over the mountain.

在人类存在的时候，自然发生了很大的变化，看起来转变了方向，那其实相当于大山对于河流，只是绕个弯儿罢了。

"Long end " this one concept is the earliest by " even the line " Chris Anderson of magazine editor in chief put forward in October 2004, those who grow end theory illuminate is cornucopian aid learns actually --" when us the bottleneck of supply and demand in culture begins to disappear, when all products can be obtained, long end story is met abiogenesis ".

&长尾&这一概念最早由《连线》杂志总编辑Chris Anderson于2004年10月提出，长尾理论阐释的实际上是丰饶济学——&当我们文化中的供需瓶颈开始消失，所有产品都能被人取得的时候，长尾故事便会自然发生&。

Fisetin, a naturally occurring flavonoid commonly found in strawberries and other fruits and vegetables, stimulates signaling pathways that enhance long-term memory, report researchers at the Salk Institute for Biological Studies in this week's Online Early Edition of the Proceedings of the National Academy of Sciences.

漆黄素是一种自然发生的黄酮常见草莓等水果和蔬菜，刺激信号通路，增强长期记忆，报告研究者在索尔克生物研究所的研究人员在本周的网络版程序国家科学院白春礼等。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。