Sentence examples for present large obstacles from inspiring English sources

In addition, many of the abandoned items, including pneumatic mail tubes, present large obstacles for those doing utility work, he said.

For the locomotion aspects a four-limbed adaptive articulated tracked vehicle is presented having the capability of changing its mode of operation to overcome large obstacles and move effectively in unstructured environments.

That's a race over large obstacles.

A migrating neuron must be able to displace large obstacles; hence, it uses large forces.

"It is true, immigration rules are a large obstacle".

And thermal problems now present (along with physical limits to photolithography) one of the largest obstacles to further miniaturization.

The creep strength is attributed to highly stable, Ti-rich nanoclusters that appear to pin the initial primary grains, and present strong obstacles to dislocation motion in the large, anomalously grown grains.

And then there is the largest obstacle.

It became the largest obstacle to strategic-arms agreement.

The second issue is the largest obstacle facing model calibration techniques.

12 Both of these issues present special obstacles in analysis, and the field has seen extensive growth with an increasingly large choice of analytical strategies and models.