Because of the experimental nature of speech recognition at the time, this system was not used for any critical operations.

The early stages are the most critical in achieving high environmental standards and safe operation.

His work was instrumental in making almost commonplace critical operations on the heart that had been considered impossible.

The critical operation behind a miracle is one that you can perform.

This another critical operation: a gap will be there for good.

Meanwhile, the last ten surviving Fleet ships gather for the most critical operation of the war.

Since all of these critical operations require new approaches to film directing, we cannot expect flawless results every time.

"All right," he said, "let's get this critical operation going."

Many of the war's critical operations were predicated upon weather forecasting.

As are two critical operations that depend on our making a prompt delivery.