And Up To Now的意思|示意

To sum up, these problems are mainly occurred in the aspects of model building and operating environment of resources map design, and up to now are not solved.

总结起来，这些问题主要出现在资源图件的模型建立和应用操作环境方面，到目前为止还没有得到解决。

This book is a great introduction to the lives and works of some of the most important and up to now unknown women in science.

这本书是很好地介绍了一些最重要的，而且直到现在还不知名的科学界妇女的一生和作品。

I have grown up now and I have to face up to my responsibilities.

我现在已经长大了，所以必须要正视自己的责任。

Now map that back to the Arabic numeral system and you end up with, no surprise, 9.

现在把它映射回阿拉伯数字系统，毫无疑问，你会得到9。

White spot disease, caused by white spot syndrome virus (WSSV), results in devastating losses in shrimp farming industry around the world and up to now there is still no effective treatment applied.

由于目前对其病原体对虾白斑综合征病毒(WSSV)的研究不够深入，所以对WSSV的有效防治仍然是一大难题。

Since 1997, deflation has been looming up, and up to now, is not solved effectively.

我国自1997年开始出现通货紧缩现象，至今，通货紧缩的压力尚未得到根本解除。