When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity.
Long term: zero growth and higher demands?
In 1999, NASA sent ladybugs and aphids up in the space shuttle to test their movements in zero gravity.
Thermal convection will not operate in zero gravity.
Those forecasts are better than its April projection of a 2.8% slump this year and zero growth next year.
They project zero growth for America in 2009 and outright contraction for every other G7 country apart from Canada.
Some expect zero growth.
We are likely to see zero growth on the stock market this year.
Almost zero growth in land suitable for rice production.
国文精选馆
