The Obama administration says it is laying the groundwork to develop a vaccine against swine flu, although no decision has been made on large-scale production of such a vaccine.
VOA: standard.2009.05.03
And so in the 1940s, a group of people led by Collier started to develop a large scale production method for making a reliable source of vaccinia virus.
在二十世纪四十年代,科利尔带领一群人开始研究,一种大规模的生产方法,这种方法能制得牛痘病毒的可靠来源
"The mission found that the attack on the only remaining flour-producing factory, the destruction of a large part of the Gaza egg production, the bulldozing of huge tracts of agricultural land, and the bombing of some could not on any basis be justified on military grounds.
VOA: standard.2009.09.29
"Why should we be encouraged to lease large tracts of land for bio fuel production that we are not eating to make money and use that money to import food?" Ghana's Agriculture Ministry says private sector farmers are free to do what they like with their land.
VOA: standard.2009.08.23
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