缺少控制

In the development of FADEC (Fully Authority Digital Engine Control) system, it is found that simulation may constitute an alternative tool useful but not complete or substitutive of experimental tests.

而系统仿真技术已成为航空发动机全权限数字控制系统研制的一个不可缺少的基本手段，尽管它无法取代真实的物理试验。

Products: The main application of two-way switch cord in metallurgy, electric power, coal and rock, mining and chemical industries such as transportation systems, conveyor automation and control is an indispensable component of the sensor, the product is a tape transport at the scene of emergency shutdown the protection device.

产品介绍：双向拉绳开关主要应用在冶金、电力、煤岩、矿山及化工等行业的输送系统中，是输送机自动化控制不可缺少的传感元件，本产品是一种胶带运输机现场紧急事故停机的保护装置。

Motion control of nonholonomic mobile robot is one of the most challengeable problems in robotics.

非完整移动机器人的运动控制是机器人学中最具有挑战性的问题之一，对这一问题的理论研究是广泛而又深入的，但是缺少比较成熟的实验结果。

Motion control of nonholonomic mobile robot is one of the most challengeable problems in robotics. The theoretic research of the problem is widely and deeply, but it is lack of well-rounded experiment results.

非完整移动机器人的运动控制是机器人学中最具有挑战性的问题之一，对这一问题的理论研究是广泛而又深入的，但是缺少比较成熟的实验结果。

Contemporarily practicesforces architects to focus on the building and limit what can be done on the site.

然而，现有的法规规范限制了绿色设计理念的实现，过分的强调建筑边线的后退距离和单方面对密度的控制导致了对地块的综合开发的忽视，使得楼宇之间互相隔阂，缺少联系

This subject is finished according to the development of SW2000 that is a kind of intellective nilometer.

水位、闸位计广泛应用于石油、化工、冶金、电力、水利、水库、油库、泵站、城市供水等领域的自动检测和控制系统中，是这些领域不可缺少的一种重要工具。

The flow interpolation method is practical and can be on stream. 2. For ungauged watersheds in a plain, hydrologic model will be a research aspect.

2对于水文控制站点很少，缺少实测径流资料的平原地区，水文模拟法是研究方向，今后若能克服参数率定困难，在浙江沿海平原区将有更广阔的发展前景。

The IOM's recommendation to use fit-tested N95s drew criticism on practicality grounds today from Ruth Carrico, an infection control expert at the University of Louisville School of Public Health and Information Sciences and a former APIC board member.

今天，IOM使用经过适合性检验的N95防护口罩的建议招致Ruth Carrico女士的批评。作为APIC前任理事会成员，美国路易斯维尔大学公共健康和信息科学学院的传染控制专家，Carrioc女士认为报告缺少可行性基础。

However, it lacks the resources to control internet access in the wholesale manner practised by China or Iran.

然而它却因缺少资源而无法像中国和伊朗那样对互联网进行大规模控制。

Obama to task for self-consciously italicizing parallels between himself and Lincoln, there are in fact a host of uncanny correspondences between these two former Illinois state legislators who had short stints in Congress under their belts before coming to national prominence with speeches showcasing their eloquence: two cool, self-contained men, who managed to stay calm and graceful under pressure; two stoics embracing the virtues of moderation and balance; two relatively new politicians who were initially criticized for their lack of experience and for questioning an invasion of a country that, in Lincoln's words, was "in no way molesting, or menacing the U.S."

尽管一些批评指出奥巴马自觉地突出他与林肯之间的并列，但这两位都自己获得过国会短暂任期的前伊利诺斯州议员，在运用展示他们的雄辩的演讲获得全国性的声望之前，事实上确实有许多不寻常的相似性：两人都有点冷酷并自我控制，都可以在压力之下保持冷静和优雅；两人都清心寡欲，信奉中庸和平衡的美德；两人相对来说都是稚嫩的政治家，他们最初都因缺少经验，以及用林肯的话来说是&绝不打扰或威吓美国&地质疑对一个国家的侵占而受到批评。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐