很长的时间

This makes the suggested standard of harmonic analyzer feasible for practical use.

但这个方法用传统的处理方法（高斯消去法或迭代法求矩阵的逆）付诸实施时，将会碰到计算时间很长的困难，因而使测量的实时性受到很大的妨碍。

"One of the major problems with dialysis done in the traditional sense is that it tries to provide a lot of therapy in a short period of time, and it's difficult to clear toxins and fluid in that time," said Dr. Dylan Steer, a nephrologist with Scripps Memorial Hospital in La Jolla, Calif."Nocturnal dialysis provides a greater amount of toxin removal over a long period of time."

加州拉霍亚Scripps Memorial医院的肾脏病学家Dylan Steer博士说："常规进行的透析治疗就是要在短时间内进行大量的治疗，但其实在这么短的时间内完全清除毒素和水分是很困难的，而夜间治疗则可以在较长的时间内轻松就做到。"

Guy Salter of Walpole, a British luxury-goods association, says the industry has done so well for so long that it lost sight of some of the issues.

来自英国一间奢侈品机构——沃波尔的Guy Salter表示，在很长的一段时间里，奢侈品产业都做出了很好的成绩，但也忽略了一些事情。

The Shatterer was not directly designed for combat, however, and thus suffers from slow acquisition time and rate of fire, as well as having limited armor.

震裂者并不设计用于直接战斗，它受限于很长的瞄准时间和很低的射速以及有限的护甲。

The symptoms of a tapeworm infection are very difficult to spot as there are often no outward symptoms to indicate an infection for a very long period of time.

染上绦虫的症状很难被发现，因为在很长的一段时间里都看不到外任何外部的症状说明你已经被感染。

It's a shame Juan Manuel Vargas was on international duty with Peru and has only been with us for a few hours, as it was a very long flight.

但是让人觉得很尴尬的是瓦加斯仍然在Peru 度他的假期，而离我们的比赛还有几个小时而已，而这中间又需要很长的一段飞行时间才能到达这里。

But ambrotypes were not so expensive and easier to produce, although their exposure time was much longer.

不过玻璃版要比达盖尔便宜的多而且很容易制作，尽管需要很长的曝光时间。

They cost less,give US morepleasure while they last and last much longer than the flashytinseled folderols,which havebeen too much affected in the recent past.

同时，它们都很经久耐用，而且比那些在刚刚过去的一段时间里备受人们青睐的艳丽俗气、华而不实的劣等品维持更长的时间。

They cost less,give US morepleasure while they last and last much longer than the flashytinseled folderols,which havebeen too much affected in the recent past.

同时，它们都很历久耐用，并且比那些在刚才已往的一段时间里备受人们青睐的光辉俗气、虚有其表的劣等品保持更长的时间。

A may have been around for a long time and have many clients such as B, C and D.

方案N1的潜在灾祸很明显。A可能已经被访问了很长的一段时间并且有许多B，C和D这样的客户端。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。