Mosquito control has also faltered in recent decades.

近几十年对蚊子的控制也出现了放松。

youdao

Singapore's mosquito control program is widely recognized as the world's most rigorous.

新加坡的蚊虫控制计划被认为是世界上最严格的计划。

youdao

Mosquito control is being strengthened in many areas, but there are significant challenges, including.

许多地区加强了蚊虫控制工作，但仍存在重大挑战，包括。

youdao

The World Health Organization says mosquito control efforts are improving in many areas.

VOA: special.2009.05.26

Mosquito control does not work well, if at all, in such circumstances.

ECONOMIST: BY INVITATION: Helping the world’s poorest | The

One Palestinian negotiator says ruefully that just about the only area where the Palestinians, Israel and Jordan can now bring themselves to co-operate is over mosquito control in the Jordan Valley.

ECONOMIST: A bundle of collapsing acronyms | The

The UN's regulatory policies, requirements and standards regularly defy scientific consensus and common sense: UN agencies' virtual ban on DDT for mosquito control and their stultifying regulation of agricultural biotechnology are lamentable examples.

FORBES: The Worst Emerging Disease of All