US R&D is responsible for the writing and maintenance of this file.

研发部负责本文的编制和维护；

youdao

Vitamin D is essential in the development and maintenance of teeth and bones. A lack of Vitamin D has been linked to Osteoporosis.

维生素D是牙齿和皮肤的生长和维护的必要元素。如果缺乏维生素D，是很容易得骨质疏松症的。

youdao

Transfer of OAM (Operations, Administration and Maintenance) information for reserved and permanent services may be provided via a D-channel in another interface structure.

用于预留和永久业务的OAM信息的传递可以通过在其他接口结构中的一个D信道传送。

youdao

Lockheed Martin purchased the system in May, and their contract with D-Wave includes operations and maintenance by D-Wave.

FORBES: Lockheed Martin Installs Quantum Computer

That intelligence helped mechanics know how the car was performing and allowed them to plan better for the maintenance they'd do when it stopped for refueling.

FORBES: The Indy 500 Goes Wireless

Calcium is involved in bone growth and maintenance, while vitamin D helps bones absorb the calcium.

WSJ: Vitamin D and Calcium Supplements May Not Stop Fractures