面临着...

We choose the arid land of northwestern China as our study area because of its extensive area, specific geographical location, dry climate, varied topography, vulnerable ecosystems and long-term human disturbance, as well as the existence of current conflicts between economic development and environmental protection. Based on the literature, we choose ten desert species with clear and relatively accurate geographical distribution ranges to model their distributions:Anabasis brevifolia, Atraphaxis frutescens, Calligonum mon-golicum, Ephedra przewalskii, Gymnocarpos przewalskii, Haloxylon ammodendron, Haloxylon persicum, Ka-lidium cuspidatum, Salsola laricifolia, and Sympegma regelii.

：选择面积广阔、地理位置特殊、气候干旱、地形地貌多样、生态系统脆弱以及人类活动长期干扰，而且目前面临着西部大开发和环境保护双重矛盾的西北干旱区作为研究区域，通过收集西北干旱区多种优势种和常见种的地理分布资料，选取10种分布范围相对明确、资料相对齐备的荒漠植物种：短叶假木贼、木蓼(A- traphaxis frutescens)、沙拐枣、膜果麻黄、裸果木、梭梭柴、白梭梭、尖叶盐爪爪、松叶猪毛菜(Salsola lar- icifolia)和合头草，定量分析其地理分布与气候因子的关系，并据此估测其潜在中心分布区和潜在最大分布范围，与实际分布范围进行比较。

However, China's labor analgesia technology to promote face greater challenges.

但是，我国分娩镇痛技术的推广面临着较大挑战。

With the development of the China's national economy, especially after China's having joined the WTO, the districts anear oceans are facing increasingly fierce market competition as a link used for connecting the outside word. Therefore the strategic theories have been paid more attention on the development of the districts anear oceans.

内容摘要：随着我国国民经济的发展，特别是中国加入 WTO 以后，临海地区作为一个与外界紧密连接的窗口和物字流动的纽带，面临着日益激烈的市场竞争，用战略的理论来规划临海地区的发展越来越引起人们的重视。

This problem has been confronted by the sociological and the anthropological traditions since the last third of the 19th century.

这个问题已面临着社会学和人类学的传统，自上三分之一的19世纪。

Since seeing An Inconvenient Truth I have been asking myself what Anthroposophy is contributing to our finding a way forward through the mess we are in.

看了《难以忽视的真相》之后，我问自己，在人类正面临着在混乱之中寻找出路的时代，人智学可以给予我们怎么的帮助？

Before 1949 the CCP was faced with political task of anti-imperialism and anti-feudalism in the period of the old-democratic revolution. As a revolutionary party of proletariat, the CCP\'s object of the first importance is to lead and motivate strength of the class.

一九四九年之前，中国共产党面临着完成旧民主主义革命的反帝反封建的政治任务，作为一个无产阶级的革命型政党，领导和动员本阶级的力量，则是共产党的首要的目标。

The threat of antiship missile against surface ships and the limitation of antimissile defensive systems of the surface ships being in service are analysed.

分析了反舰导弹对水面舰船构成的威胁和水面舰船现役反导防御系统的局限性，结果表明，现役舰载防御手段的反导能力有限，水面舰船面临着反舰导弹的严重威胁，迫切需要寻求新的防御手段和发展新的防御武器来增强其对付这种威胁的能力。

The people who live in the hills and hollows of central Appalachia face high rates of diabetes, heart disease, cancer and respiratory illness.

住在阿巴拉契亚山区腹地那些人们面临着糖尿病、心脏病、癌症和呼吸类疾病的高发病率威胁。

With the rapid development of Internet in recent years, computer systems arc facing increased number of security threats.

近年来随着因特网的飞速发展，计算机系统也面临着越来越多的安全威胁。

In the hotel industry of our country faced great pressure of competition today, how to effectively improve the service level of service, arouse the enthusiasm of service for customer service personnel, provides the high-quality service, improve customer satisfaction, the hotel is very concerned about the problem.

在我国饭店业面临着巨大竞争压力的今天，如何有效地提高服务人员的服务水平，调动服务人员的工作积极性，激励服务人员为顾客提供优质服务，提高顾客满意度，是饭店非常关注的问题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。