present a difficulty的意思|示意

But the present JetPack prototype still requires some programming chops to use. Now Mozilla is trying to ease that difficulty through release of a software development kit (SDK).

现在使用Jetpack仍需要比较多的程序专业知识，Mozilla正试图通过发布软件开发工具包(SDK)来消除这一点。

The research of forest benefit evaluation is a hotspot and difficulty at present.

森林效益评价是目前林业研究的热点，也是难点问题。

Added to that difficulty is the need for the media, for economic and journalistic reasons, to present a controversial perspective, which is not usually as objective as we might wish.

媒体的需要也增添了难度——出于经济和新闻工作的原因要提出一种有争议的观点，这一观点通常不像我们所希望的那样客观。

Conclusion Fabricating complete metal occlusal pad, though the difficulty coefficient is big, is still a good dental clinical restoration method at present.

结论：制作全口金属牙合垫修复牙列磨损及缺失，虽然难度系数较大，但目前仍不失为一种良好的齿科临床修复方法。

It is difficulty to select and breed apomictic germplasm among diploid rices at present, but it has become a hotspot to select and breed apomictic germplasm among polyploid rices.

目前，在二倍体水平上选育水稻无融和生殖种质的难度较大，而在多倍体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新的生长点。

I am a keeping that young man from harming of you at the present moment, with great difficulty.

不过你放心，现在我花了很大的劲才使得这个年轻人不会动你。