查询词典 directional

They are ideally suited for surface hole, coal bed methane, mine rescue, directional and unconventional drilling applications up to 3,000 meters in depth.

是适合表土层钻井、煤层气开采、矿山抢险、定向钻井和反循环钻井等方面的理想设备，其钻井深度可达3000米。

BACKGROUND: Neural stem cells are a kind of special cells possessing self-renewal and multi-directional differentiation potential. They are ideal carriers for studying the occurence, development and development rule of nervous system and their inherent regulation mechanism of molecular biol ogy and cytology. They have wide applicative prospect in the treatment of nervous system disease and injury.

背景：神经干细胞是一类具有自我更新和多向分化潜能的特殊细胞，是研究神经系统的发生、发育、发展规律及其内在的分子生物学、细胞学调控机制的理想载体，在神经系统疾病及损伤的治疗中具有广阔的应用前景。

During the past decade and more, under the guidance of state strategy US forces made all-directional penetration into the countries of the region. With the constant changes of the political, economic and security situation in the geopolitical space with Central Asia and Transcaucasia as the center, the United States has made three obvious readjustments in Central Asia and Transcaucasia , each adding some geopolitical weight.

为全面控制这一战略要地，十几年来，美国势力在国家战略的指导下对该地区国家进行了全方位的渗透，而随着美国国内外，特别是以中亚和外高加索为圆心的地缘政治空间政治、经济和安全形势的不断变化，美国的中亚和外高加索战略先后经历了3次较为明显的调整，每一次调整都加重一些地缘政治的分量。

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。