难以控制

Although the mortality, the rate of complications and recurrence are high in active patients with infective endocarditis, when intractable heart failure and incontrollable infection occur in the patients complicated with primary cardiac lesions, urgent surgical intervention is necessary to save the life of patients.

虽然感染性心内膜炎在活动期急诊手术的病死率、术后并发症和复发率均较稳定期的择期手术明显增高，但当出现药物治疗难以控制和/或心功能进行性下降等情况时，应果断施行手术以挽救患者的生命。

Compare with the ability of eliminate the foam, Throught the test to discover, the taper of the diffuse pipeline of the eliminating-foam equipment can not small, the taper of the diffuse pipeline greater than 79/350; The length of the diffuse pipeline of the eliminating-foam equipment greater than 350mm; Whether the speed of the foam can too high, the velocity of the foam 0.3～0.6m/s; The width of lacune is between 0.2 and 0.5mm.

由于泡沫的流变性难以控制和测试，其变化较大，提出以利用所有泡沫钻探生产的钻进压力值，利用数学分析的方法对这些钻进压力值进行分析，在此基础上总结出更加合适、简捷的泡沫灌注压力公式。

Experiments with mitotic inhibitors, are however, notoriously difficult to control

然而使用核分裂抑制物的实验是非常难以控制的。

Pigeons :they will land on the balance overarm ,making the clown hard to control balance.

鸽子：他们会一只或者结队落在平衡杆上让小丑难以控制平衡。

A 67-year-old hypertensive man had history of intermittent severe pain in the right periorbital region for half a year and was referred to our clinic due to repeated exacerbation of intractable right facial pain, which was poorly responsive to medication.

一位六十七岁患有高血压疾病的男性，主诉半年来右脸颊间歇性疼痛。近日来因疼痛加剧且使用药物难以控制，而至门诊求治。

Top blown oxygen converter adopted recarburization to smelt 45 steel and resolved the end carbon different to control.

为了解决终点碳难以控制的问题，氧气顶吹转炉采用增碳法冶炼45号钢。

Given the Duri oil field adjacent to the consolidation of sand there is not serious sand greatly reduced pump rod pump efficiency, and horizontal wells using the naked eye is difficult to control completion of prefabricated sieve out the sand, so the use of horizontal wells Kulin tolerance strata of sand Rodless pump artificial lift.

鉴于相邻的Duri油田有不固结砂，严重的出砂大大降低了有杆泵泵效，而水平井采用裸眼预制筛管完井难以控制出砂，因此Kulin水平井采用耐受地层出砂的无杆泵进行人工举升。

In order to eliminate the defects in traditional design, the selected lens groups are assembled into a system and multiconfiguration method is adopted to optimize the length of different object distance. In this way, the problem of uncontrollability of short-distance imaging quality was solved.

针对内调焦传统设计方法的不足，在对内调焦各镜组选型后将它们组合成为一个系统，采用多重数据结构设计的方法，对不同物距下的结构进行同时优化，从而解决了近距离的成像质量难以控制的问题。

The method, owing to its full consideration on capabilities of process executors accomplishing goals when the software processe is being constructed, makes the established processes have good predictability and satisfy the premises for processes' stable executions, resolving the problems of instability and uncontrollability of the software process radically.

该方法由于在建立软件过程时充分考虑过程执行者完成目标的能力，使建立的过程具有良好的可预见性，具备过程稳定执行的前提，因此从根本上解决了软件过程不稳定、难以控制等问题。

You feel so cold that your body starts to shake, not very much but uncontrollably.

你感觉到很冷以至于你的身体开始颤抖，不是非常强烈但却难以控制。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。