accessibility problem的意思|示意

So far the main hurdle has been getting RNA into the target cells, but the eye's accessibility means this is not so much of a problem.

目前为止的主要难题是如何把RNA注入到目标细胞。眼睛的可研究性意味着这不再是个难题了。

This led to the modification of the main entrance now through a square at the sidewalk level, solving the problem of accessibility to disabled and elderly persons present in the original access.

这就改变了主要入口的位置，如今从人行道水平面上的一个广场进入，解决了残障人士和老年人无法从原有入口进入的难题。

In nature, security is opposite to openness, so how to build a reasonable balance between accessibility and access restriction is the problem cry for solve to security policy of SOC.

安全性和开放性本质上的对立，限定了可实现的安全性的程度，因此如何在可访问性与访问限制之间建立一个合理的平衡是面向服务计算的安全策略迫切需要研究的问题。