The main units are single-wheeled and retract into wheel troughs in the fuselage.

主单元是单轮并收起到机身下轮槽中。

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The main units house the processor, network, power, SD card slot and other connections and can be installed away from public view.

主设备包含有处理器，网络，电源，SD卡插槽和其他连接设备，且可以被安装到远离公共视线的地方。

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The keys in molecular design of side chain liquid crystal polymers are analyzed from the main chain structures, types of main units and flexible spacing.

从主链结构、液晶基元类型和柔性间隔出发介绍了侧链液晶高分子分子设计的关键。

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All of the Bushehr plant's systems will be tested, including its main units, auxiliary peripheral systems and initial circuits, ISNA said, quoting Khazaneh.

CNN: Iran to test nuclear power plant

In December, more than 260 leaders of the main FSA units from across Syria agreed at a meeting in Antalya to a unified command structure.

BBC: Syria rebel commander Riad al-Asaad wounded by blast

British soldiers said that the main resistance was coming from the paramilitary units.

CNN: Basra offers a lesson on taking Baghdad