Sentence examples for two main hurdles from inspiring English sources

Mr Trimble identified two main hurdles: the continued IRA infringements of the ceasefire and the proposed changes to the Royal Ulster Constabulary, which will be announced next week by Chris Patten, the former Hong Kong governor, who chaired a commission investigating policing in Northern Ireland.

Two main hurdles for providing such a large sample exist.

The two main hurdles, Acquisti says, are finding a large and reliable source of facial images (hello, DMV!) and securing enough computing power.

There are two main hurdles in using these methods for forest carbon offset projects.

Two main hurdles can still be identified, i.e., the successful expression of genes in metagenomic clone libraries and the subsequent screening and selection of genes of interest from expressed inserts.

There were three main hurdles to overcome: technology, funding and the neighbouring volcano (which pumps its gassy eruptions into the lake).

I see three main hurdles.

One of the main hurdles to overcome is that they are unable to transport as much oxygen as haemoglobin-based materials can.

But analysts still see a potential J&J challenge as one of the main hurdles before the culmination of the deal.

The generalized adoption of this technology is currently limited by four main technical hurdles.

The low yields are due principally to two main reasons, described herein as potentially insurmountable hurdles.