At the same time, however, the group singled out ongoing polio transmission in Nigeria as the single greatest risk to a polio-free world.

然而，与此同时，该小组突出尼日利亚脊髓灰质炎持续传播为对无脊髓灰质炎世界的单一最大危险。

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In Africa several other mosquito vectors have been implicated in disease transmission, including species of the A. furcifer-taylori group and A. luteocephalus.

非洲几种其他种类的媒介类蚊子也与疾病传播有关，包括a . furcifer - taylori种群蚊子和a . luteocephalus蚊子。

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Group members teaching each other is called cultural transmission.

一个群体间互相学习叫做文化传播。

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As announced on Wednesday, Marathon Patent Group acquired encrypted data transmission IP.

FORBES: New IP Company Marathon Patent Group Promises Diversification Amid Risky Environment

The group also makes oil-well equipment and power transmission towers.

CNN: HOW TO BUILD A FORTUNE

The Cherokee will be equipped with a nine-speed transmission derived from a joint partnership with German supplier ZF Group.

WSJ: GM, Ford Team Up to Develop New Transmissions