例句與造句

1. From the time the submarine was laid to its scrapping, the S5W core lifetime would last 5, 500 hours at full power for older model S5Ws to 10, 000 hours at full power for newer core models.
2. While criticality at fast energies may be achieved with uranium enriched to 5.5 weight percent Uranium-235, fast reactor designs have often been proposed with enrichments in the range of 20 percent for a variety of reasons, including core lifetime : If a fast reactor were loaded with the minimal critical mass, then the reactor would become subcritical after the first fission had occurred.
3. It's difficult to find core lifetime in a sentence. 用core lifetime造句挺難的