查询词典 be hard-pressed

Aiming at a typical complex electromechanical system—temper mill, the study takes its main driving control system as object of study, works out such a difficult problem that many parameters are coupled mutually, hard to be set and configurated in complex electromechanical system, and makes the performance goal of the control system be optimal in the adjustable ranges of parameters.

分析了遗传算法和模拟退火算法寻优性能和各自的不足与局限性，将两种算法巧妙地结合起来加以修正、取长补短构成新的退火遗传算法，提高了算法的整体寻优性能；并以典型的复杂机电系统—平整机为研究对象，以其主传动速度控制系统为切入点，应用退火遗传算法，解决了复杂机电系统中多参数、相互耦合、难于整定和组态的难题，使控制系统的性能指标在参数可调范围内达到最优。

Even if unnecessary organization surgery were not as rampant in our institutions as unnecessary appendectomies, hysterectomies, and tonsillectomies are said to be in our hospitals, there would still be an organization crisis. Twenty years ago many managers had yet to learn that organization design and organization structure deserve attention, thinking, and hard work.

即使在我们的企业机构中，不必要的组织改革少于医院中不必要的阑尾切除手术、子宫切除手术和扁桃腺切除手术，可这依旧是企业危机。20年前，许多经理不得不学习值得注意、深思和努力工作的组织概念和组织构架。

But the knowledge of Laozi can only be understood by apperceiving. Without apperception, it cannot be learnt no matter how hard you study.

但老子的学问要靠悟，没有悟性，即使再刻苦也是没有办法学习的，悟的结果是境界的提高。

Now if you do not work hard, you will be lagged behind instantly, and if you do not take care of yourself personally, soon your health will be decorticated.

现在，如果你不勤奋工作，你将落后于瞬间，而如果你不照顾自己亲自很快，你的健康会脱皮。

A few Aquarians may be seeing the fulfilment of a dream or at least the conclusion to months of hard work while others will be glimpsing signs of success in the future.

某些人会看到梦想正在实现-或至少是一个月的努力工作有成绩-同时另一部分人会看到在未来成功的一丝光亮。

The most special feature of this technology can be used is polyethylene film and polyethylene at the same time hard to deal with processing, granulation, respectively; also can be carried out for one granulating recovery.

本工艺的最特别之处是可以将废旧聚乙烯膜和硬质聚乙烯同时处理加工，分别造粒；也可以针对其中的一种进行回收造粒。

This welding wire not only has the inherent properties of metal powder-cored wire, such as with better welding quality, without slag, highly efficiency and conveniently adjusting the alloying elements etc., but also has the advantage of low hardness in as-welded (less than HRC45), good machinability, high hardness in as-aged (more than HRC55) and better wear resistance with customary working procedure on making or repairing equipments such as rollers when reasonable designing the alloys content. The author adequately makes use of the high-tempering in the required stress relieving working procedure. During this working procedure, which causes the hardness of overlaying metal increased by the reason of austenite changes into tempered martensite and more chiefly what is the precipitation of a lot of carbide by secondary hardening simultaneously. This wire can solve the hard rolled problems of some solid wires with higher alloys while it can get over the conflict of existing overlaying materials what are always possesed high hardness with poor machinability or low hardness, good machinability with poor wear resistance. Further, it also can overcome the intenerating phenomena between welding beads and make the external hardness of overlaying metal uniform. Be sure it could be found important meaning in the overlaying of wear-resistant equipments, such as the precise roller.

该焊丝除了具有金属粉型药芯焊丝焊接质量好、无渣、高效率和合金成分可方便调节等固有的优点外，合理的设计粉芯中的合金成分，按通常工序制造与修复轧辊等设备，充分利用必需的消除应力工序的高温回火，堆焊层金属在奥氏体转变为回火马氏体的同时更主要是通过二次硬化析出了大量碳化物导致硬度增加，使得该焊丝还具有焊态硬度低(小于HRC45)、机加工性能好和时效态硬度高(大于HRC55)、耐磨性能好等优点，解决了某些高合金实芯焊丝轧制困难的问题，同时克服了现行堆焊材料硬度高、加工性能差或者硬度低、加工性能好、耐磨性差的矛盾，并能克服焊道之间的软化现象，使堆焊表面硬度较为均匀，对耐磨件，譬如精轧辊的堆焊具有重要意义。

All of your personal data and the integrity of your trading system can be jeopardized if a virus invades your computer and if your hard drive crashes, all of your important data will be lost forever.

您所有的个人资料和诚信你的交易系统可以受到损害，如果病毒侵入你的电脑，如果你的硬盘撞车，你的所有重要数据将被永远失去了。

ABSTRACT The uncertainty in Supply Chain Management is a hard nut to be cracked that can not be obviated for companies.

供应链中的不确定性是企业和组织在管理和决策中不可回避却又十分棘手的问题。

He argues that language can be treated as an organism that evolved to be easily acquired, obviating the need for the hard-wiring of Chomsky's Language Acquisition Device.

他认为，语言可以被视为生物进化容易获取，没有必要硬接线乔姆斯基的语言习得机制。

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％。