东北

Poaceae is a perennial, high quality grass and is the dominant species in Songnen plain, China.

马红媛 中国科学院东北地理与农业生态研究所，长春 130012；中国科学院研究生院，北京 100039

Result shows that the weathering rates were very low (usually lower than 1.0 keq × ha-1× a-1) for allite (including red earth, lateritic red earth, red earth, yellow earth, and yellow-brown earth) in south China and silalsol (consisting of dark brown forest soil, black soil, and podzolic soil) in northeast China, but very high for xerosol and alpine soil in northwest China.

总的说来，中国南方富铝土区域（包括砖红壤带、赤红壤带、红壤黄壤带和黄棕壤带）以及东北的硅铝土区域（包括暗棕壤黑土带和漂灰土带）的土壤风化速率较低（通常低于1.0 keq × ha-1× a-1），而西北地区干旱土和高山土的风化速率则较高。

Study on spore morphology of Polypodiaceae from northeast of China.

标题 东北产水龙骨科植物孢子形态的研究。

Study on spore morphology of Polypodiaceae from northeast of China.

Title 东北产水龙骨科植物孢子形态的研究。

The Lower Middle Cambrian boundary in North China Platform has been defined by the extinction of the trilobite genus Redlichia and the first appearance of different ptychopariid genera, namely, Shantungaspis Xiang et al.

详细记述安徽淮南老鹰山下、中寒武统界线剖面及所含三叶虫动物群，提出在华北及东北南部地台区划分下、中寒武统界线新定义：即三叶虫Pagetia 的首次出现作为中寒武世的开始；描述5 科22 属34 种及未定种，包括2 新属16 新种。

The cotton potential productivity of temperature in Henan was 4020-6220 kg·hm-2, the(3) The precipitational potential productivity of cotton in Henan is 650-5300 kg·hm-2, thedistribution of the value was same as radiational potential productivity.

2河南省棉花光温生产潜力为4020-6220 kg·hm~-2，总体而言，光温生产潜力的分布呈现东北高、西南低的趋势。

The second part reviews the development history of railway transportation in China, analyses the actuality of railway transportation and the problem in railage, discusses the relationship between railway transportation and regional development as well as railway plays the important role in modern times in northeast China.

第二部分回顾了我国铁路交通发展的历史轨迹，分析了铁路交通现状和铁路运输中存在的问题，论述了铁路交通与区域发展的关系以及铁路在东北地区近现代发展中的重要作用。

In the phase space spanned by the first 8 EOFs generated from the 20-day low-pass filtered data, the six rainfall regimes were id entified by applying a cluster analysis method, namely, the northeastern China regime, Yellow River regime, Qinling-Huaihe regime, Yangtze River with its south regime, Southern China regime, and rainless regime.

对于20d以上的低频尺度降水异常，在前8个主要EOF模态支撑的相空间中，采用聚类分析方法划分了6种大尺度异常雨型：东北型、黄河型、秦岭淮河型、长江江南型、华南型和少雨型。

In this paper, the molecular diversity, structural feature and the biological activity of Ranidae antibacterial peptides were reviewed.

文章结合作者的研究工作，综述了目前已经鉴定的蛙科动物皮肤抗菌肤的分子多样性特点、家族性质和生物学活性的研究进展，并阐述了东北林蛙新家族抗菌肽的特点。

The subtropical ridge is retreating gradually and OMAIS will continue to recurve along the western periphery of the ridge.

副热带高压脊正减弱；奥麦斯将沿该脊的西面转向北至东北偏北移动。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。