Thus the electricity developed by thirty turns of his machine produced, under very variable conditions of battery surface, the same deflection.

Now, submarine signalling has none of these defects, for the medium is water, subject to no such variable conditions as the air.

We speculate that the presence of two PsbO isoforms helps the plants to finely adjust the photosynthetic apparatus in response to variable conditions.

Just because software can pull off a three-point turn once doesn't mean it will be able to do it every time, in variable conditions.

He suggested the army should total about 130,000, including about 30,000 part-time specialist territorial army reservists with " variable conditions of service".