交通信号控制模型可采用方案选择式或方案生成式。
Traffic signal control model may select project select model or project build model.
奥巴马选择了一个美国式的健保方案来赢得支持，放弃了加拿大式的单一支付方案和广泛的联邦安全网方案。
Mr Obama took an American approach to health care, dismissing both a Canadian single-payer option and a broad federal safety-net plan to win support.
1978年，注射式死刑作为一种相较于绞杀、射杀、电刑以及毒气室等执行死刑的手段更为人道的选择方案而引入美国。
Injections were introduced in 1978 as a supposedly more humane alternative to other forms of capital punishment-hanging, firing squad, electrocution and the gas chamber.
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