不易的

It is hard for naval gun weapon system to forecast or track high speed and mobile aerial target. Aiming at this problem, a Barrage Firing Curtain firing method was presented. By increasing hitting points, the disperson density of pills and curtaining area are extended, and higher hit probability can be obtained.

针对舰炮不易预测和跟踪高度机动目标的问题，提出了一种拦阻射击方法，通过增加命中点个数来提高弹丸散布密度、扩大拦阻面积，获得较高的命中概率。

Methods Multilevel menu on liquid crystal displayer for switching among users based on digital signal processor was developed.

现在已有一些适合在医院以外环境中使用的心电监护系统，采用个人电脑作为波形显示和数据分析的处理器，但是其体积较大，不易携带［2］。

Background and objective: Rhomotoxin, the active constituent of Rhododendron molle belonging to Ericaceae, has the effects of decreasing blood pressure and slowing heart rate. These effects can exacerbate and remain 0.5-1 hour after drug withdrawal, which is prone to cause lower blood pressure even shock.

背景与目的八厘麻毒素(rhomotoxin，RTX)系从植物杜鹃花科羊踯躅成熟果实中提取的有效成份，具有较强的降压、减慢心率作用，但其降压作用在停药后0.5-1小时仍继续加深，易引起降压过度而导致休克，同时血中浓度检测困难，不易监控，临床上应用较难掌握。

Clean facepiece (excluding filters and cartridges), with 3M 504 or 3M 105 Respirator Wipes (not to be used as the only method of cleaning) or by immersing in warm, mild detergent cleaning solution, water temperature not to exceed 120°F (49°C) and scrub with soft brush until clean.

使用3M 504或3M 105呼吸防护用品擦拭纸（但不作为唯一的清洗方法）擦拭面罩，或将面罩浸泡在有中性洗涤剂的温水中，水温不易超过49℃，用软毛刷清理。

Good results of the these two methods have been reported. However, in some cases with a larger posterior glottic gap, the results are not satisfactory.

前两者是较普遍使用的方法，虽然可改善大多数之声门闭锁不全，但对於靠近声门后部杓状软骨间的闭锁不全往往不易矫正。

The determining method of NH3-N by hypobromite oxidation in water has a more serious and difficultly abated interference.

次溴酸盐氧化法测定水中NH4-N存在较严重的、不易消除的干扰。

Lawyers had criticized the provision as impracticably vague because it is possible to define an individual market in many different ways.

一些律师曾批评这条规定过于模糊，不易操作，因为对某个市场的定义有很多不同的方法。

The spiral CT scan can not only find out the pulmonary contusion cases opportunely, but also can estimate the injury position, character, degree, complication and prognosis, which as a diagnosed evidence for treated the patients timely and rightly. The CT scan will be implemented after injured 48H as a routinely practice. The delayed pulmonary contusion can not be assimilated completely, and may remained pulmonary fibrosis, pleural incrassation or conglutination.

CT不仅能及时发现迟发性肺挫伤，还可对发生的部位、性质、损伤程度、并发症以及预后等做出及时判定，为临床及时准确治疗提供可靠的诊断依据；应将伤后48h CT复查列为常规；迟发性肺挫伤不易完全吸收，易遗留肺纤维化及胸膜增厚、粘连。

Tin is not oxidized, involatile, and does not react with the common elements in steel, in steelmaking process, hence the yield of tin approxiates to 100%.

在炼钢过程中锡不被氧化、不易挥发、不与钢中的任何常存元素相互作用生成化合物，因此炼钢过程锡的回收率接近100%。

The melanotic encapsulation of oocysts is a specific immune defence mechanism against Plasmodium infection ,and is also a primary phenotype in the Plasmodium-refractory strain of An.gambiae.

卵囊黑化包被反应是按蚊抵御疟原虫感染的特异性免疫防御机制，也是抗性株冈比亚按蚊或不易感按蚊的最主要表型。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。