大难题

Indeed, some in the party fear that the poshness of the next intake of MPs will become a problem in the run-up to the election, which must be held by next June.

确实， 有些党内议员已经开始担忧下一个吸纳入党的上层社会的议员会给明年六月的必将举行的预选阶段带来很大的难题。

Cavitations is the major problems of designing water hydraulic valve, understanding the relationship between shape of valve and cavitations , avoiding cavitations is extremely important, this paper, the numerical simulation and visualization research of flow field is carried out to research relation between the flow field of poppet valve and the length of valve seat by finite volume numerical method.

气穴是研制水压阀存在的主要难题，认识阀口形状与气穴的关系，避免产生气穴现象是极其重要，本文应用有限体积数值计算方法针对阀座倒角长度变化对水压阀阀道内流场的影响进行数值模拟和可视化研究，得到了一些有益的结论：倒角长度的改变对阀口间隙以及阀芯锥面与柱面相接的地方的负压会产生比较大的影响

The paper introduces the technology of optimization design of wellbore proile, the casing window-opening technology, and the barefoot laterally drilling technology. In view of such problems as the poor wellbore stability of large hole, the easily collapsed "Shuangshi bed", the barefoot laterally drilling, the different depth of production formations, the frequent trajectory adjustment, the prediction of torque and drag, and window entry of branch wells, systematic reasonable technical measures are established.

介绍了该井井身剖面优化设计、套管开窗及裸眼侧钻等新技术，针对表层大井眼井壁稳定性差、&双石层&易垮塌、裸眼侧钻、气层深度不一、轨迹调整频繁、摩阻扭矩预测及分支井所面临窗口再入等一系列技术难题，制定了一整套合理的技术措施。

The discorona and re-entrain dust are two key iss ues to improve the efficiency of the electric precipitator.

反电晕和二次飞扬是电除尘器遇到的两大技术难题，本文提出了一种宽支撑防风型芒刺电晕线，它加大了阴极收尘面积，防风措施减小了阴极二次飞扬。

For example temperature's inertia is great, it's time-lag is serious and it is difficult to establish accurate mathematical model of the object.

温度是工业控制的主要被控参数之一，可是由于温度自身的一些特点，如惯性大，滞后现象严重，难以建立精确的数学模型等，给控制过程带来了难题。

For example temperature's inertia is great,it's time-lag is serious and it is difficult to establish accurate mathematical model of the object.

温度是电热水暖控制的主要被控参数之一，可是由于温度自身的一些特点，如惯性大，滞后现象严重，难以建立精确的数学模型等，给控制过程带来了难题。

The spot inquisitions and studies for more than twenty years, the selection-breeding and conservation, disease treatment, Caoke chicken products deep process and so on have got exciting development, but Caoke chicken industrialization has been in a preliminary stage, there are many problems and restricting factors which block the industrialization process of Caoke chicken industry.

经过多年的跟踪调查和研究，在草科鸡保种选育、疾病防治、产品深加工等方面已经取得了较大的发展，特别是通过校县合作，攻克解决了不少技术难题，为草科鸡产业化开发顺利实施打下了良好的基础。

But it is a big problem for developing new dry process kiln inChina: high investment, low output, high cost and low effect.

但是，新型干法窑在我国的发展过程中遇到了很大的难题：高投入，低产出、高消耗，低效益。

In recent years, utilize high pressure rotatory water efflux hole in coal seam, with high-efficient, energy-conservation, hole big, form regular, broken rock efficiency high advantage its, win the favor from vast engineers and technicians deeply.

冲击地压一直是影响煤矿开采安全的一个难题，近年来，利用高压旋转水射流在煤层中钻孔，以其高效、节能、钻孔大、孔形规则、破岩效率高等优点，深受广大工程技术人员的青睐。

Sensing device design for the floating problem of roughing and intermediate stands of high-speed wire mill;2. Dynamics simulation of high firing rate and floating automatic rifle

切边模来用浮动分离式结构，解决了由于零件形状的限制而不能使用常规模具结构切边的难题，为此类事件的大批量、高效串的生产提供了较好的解决方法。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。