例句與造句

1. The Dobson unit is the measure of ozone in the air overhead.
2. The ozone hole is the region with total ozone below 220 Dobson units.
3. The record low of 88 Dobson units was set in 1993.
4. A Dobson Unit is the total amount of a trace gas per unit area.
5. In the tropics, ozone levels are typically between 250 and 300 Dobson units year-round.
6. It's difficult to find dobson unit in a sentence. 用dobson unit造句挺難的
7. Ozone in the air overhead is measured in Dobson Units.
8. In the tropics, ozone levels are typically between 250 and 300 Dobson Units year-round.
9. Normally, at this time of year, the ozone concentration is 350 Dobson Units over England.
10. At that scale a reading of 250 Dobson Units translates to a layer about an inch thick.
11. Total ozone ( Dobson units ) measured at solar noon at Geronimo Creek Observatory since February 4, 1990.
12. Measured in " Dobson Units,"
13. This picture shows the seasonal average concentrations of tropospheric ozone in Dobson units over the period 1979 to 2000.
14. That compares to a minimum of 98 Dobson units in 2000, said Bryan Johnson, a scientist with NOAA's Climate Monitoring and Diagnostics Laboratory in Boulder, Colorado.
15. Ozone levels are far lower here than in much of the rest of the world, less than 200 Dobson units on the scientific scale of measurement.
16. In temperate regions, seasonal variations can produce large swings in ozone levels, reaching as high as 475 Dobson units in some areas, and as low as 300.
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