Sentence examples for principal difficulties from inspiring English sources

There are two principal difficulties with the gift, by far the most frequently used device.

There are two principal difficulties in the accurate representation of these effects in discrete models.

To a large extent, the absence of such measures reflects two principal difficulties of quantifying productivity in any service setting: measuring output and connecting employee actions to outputs.

The principal difficulties are the following: (1) Diffusion to the electrodes and reaction there must be sufficiently rapid to make bulk back reactions unimportant.

For both Mr. Piesiewicz and Mr. Tykwer, the principal difficulties of the film involved getting the audience to sympathize with Ms. Blanchett's character, even after her horrible crimes, and capturing the languorous eeriness sought by Mr. Piesiewicz and Kieslowski.

There are two principal difficulties, says Professor Michael B. Gerrard, Director of the Center for Climate Change Law at Columbia Law School: "First, an extraordinarily large number of different areas of law are involved.

The principal difficulty at present is that there are no official rules.

Even so, the principal difficulty lay in keeping this contest taut.

The principal difficulty has been the assembling of material on which to base such studies.

The principal difficulty associated with this technique is to correct for the parallel conduction through the electrolyte.

The principal difficulty with the matchlock mechanism was the need to keep a length of match constantly smoldering.