t1

t2

dt

Δ

新t1

310.0

371.3

61.3

37.9

347.9

347.9

303.0

−44.9

−27.7

320.1

320.1

351.0

30.9

19.1

339.2

339.2

317.0

−22.2

−13.7

325.5

325.5

341.0

15.5

9.6

335.1

335.1

323.0

−12.1

−7.5

327.6

327.6

337.0

9.4

5.8

333.4

333.4

326.0

−7.4

−4.6

328.8

328.8

334.6

5.8

3.6

332.4

331.0

330.7

−0.3