significant problem

On the other hand, the variance of policy gradient estimation in existing policy gradient algorithms is usually large, so the speed of convergence becomes very slow, which is a significant problem for policy gradient algorithms to be widely applied.

但是另一方面，由于在梯度估计过程中方差过大，使得策略梯度算法收敛速度很慢，成为策略梯度增强学习被广泛应用的一个障碍。

Intractable Complex Partial Seizures are also a significant problem for many individuals with TSC.

难治的复杂部分性发作对于很多遭遇TSC的个人来说也是一个大难题.

However, the construction of low-rent housing makes slow process in China and there is a significant contradiction between supply and demand. The shortage of construction funds is the biggest problem faced by the construction of low-rent housing.

但目前我国廉租房建设进程缓慢，供需矛盾突出，面临的最大问题就是廉租房建设资金的短缺。

The need to tailor release rate profiles from polymeric microspheres is a significant problem.

需要得到多聚体微球的释放率情况,这是一个非常大的难题.

Not only lack in quantity, but also significant problem in the quality.

不仅在量上存在危机, 在质上面临的问题也很严峻.

The significant problem with metaphors, however , is that they tie our interfaces to Mechanical Age artifacts.

隐喻界面的最大问题在于, 它们将界面与机械时代的人工制品束缚在一起.

The laxity of export control authorities has made a significant contribution to the problem.

出口控制部门工作懈怠，是造成此问题的重要原因。

To the literature translation, the most significant problem is how to transfer the embodiment of the due value from source text to target text.

对于文学翻译来说最重要的是在目的语文本中完成对原文本应有价值的体现。

There remained one significant problem.

还有一个非常重要的问题。

Many saw its flawed software update as a more significant problem than whether iPhones can be bent in a trouser pocket.

与iPhone能不能在裤兜里被坐弯相比，很多人认为存在缺陷的软件更新是一个更重要的问题。

The prediction of ship motion is significant for ship navigation, but there is no effective solution to the ship pitching problem so far, and Time Series, Period Graph Method, Neural Networks and Grey System Theory were used to study the motion of a ship.

以往曾有人利用时间序列法、周期图法、神经网络法及灰色系统理论等方法来研究船的运动.目前还没有一种有效的方法解决船的纵摇。

The occurrence and growth of various kinds of pathogenic microbes and contaminated microbes have become a significant problem in the production of the microbial plague of edible fungus.

病原菌与污染杂菌的发生和生长已成为影响食用菌生产的重要问题。

Tooth loss accompanied by alveolar bone resorption presents a significant clinical problem.

牙齿缺失伴有牙槽骨吸收的病例是典型的临床问题.

we're going to continue to have a very significant problem.

否则我们将会不断遇到非常严重的问题。

After a period of time, people started to recognize that one significant problem was round-tripping.

经过一段时间之后，人们开始认识到其中一个显著问题是往返旅程。

Notwithstanding, the problem is a significant one.

然而，这个问题仍很重要。

Headwater acidification is still a significant problem for important salmon fisheries, and special areas of conservation such as the Welsh River wye.

河流源头酸化依然是重要的鲑鱼水产业和特别保护区（例如威尔士怀尔河）面临的一个严重问题。