A new crossover and mutation operation suitable for the matrix code is developed, and they can ensure that the new initial chromosomes are always feasible.

针对矩阵编码提出的特殊交叉算子和变异算子，能保证生成的新个体总是有效的。

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Moreover, the new crossover operator designed in this paper and the new line search scheme can make the proposed algorithm find the global optimal solutions more quickly.

而新的杂交算子和适时一维搜索使得算法更迅速有效的找到全局最优。

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Labour contracts are fixed until 2015, while new cars, such as the Chevrolet Equinox crossover, are keeping downsized factories humming at near capacity.

用工合同在2015前不会有更改，其新款车比如雪弗兰equinox crossover正让裁员后的通用工厂以接近峰值运转。

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It will adorn a new crossover that represents a big departure for the brand in terms of styling.

FORBES: Jeep Revives Cherokee For 2014 With Polarizing New Design

The Buick Rendezvous, the new "crossover" (a vehicle that combines the smooth ride of a sedan with some of the ruggedness of a sports utility vehicle), sold 6, 491 in October and looks like a moneymaker.

FORBES: Time to praise GM

The Buick Rendezvous, the new "crossover" (a vehicle that combines the less bumpy ride of a sedan and some of the ruggedness of a sports utility vehicle), sold 6, 491 in October and looks like a moneymaker.

FORBES: Time to Praise GM