- 推荐网络例句
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G. French Guiana AND Guyana have recently included yellow fever vaccination in their national routine programme for immunization.
其他国家如法属圭亚那和圭亚那最近已将黄热病预防接种纳入国家常规免疫接种规划。
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He failed in his attempt to win first prize.
他试图获得头奖,但却失败了。
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It is shown that these two sequences converge monotonically to a unique solution of the finite difference system.
给出一类求解具时滞边界条件的时滞反应扩散方程的数值方法,证明了迭代序列的单调收敛性以及差分格式的收敛