zhao wan min xin (6 Ergebnisse)

Hardcover. Zustand: New. Language:Chinese.HardCover.Pub Date:2023-01 Pages:192 Publisher:Beijing Institute of Technology Press Spacecraft payload technology is developing in the direction of high power and miniaturization. Microwave components are prone to RF breakdown in high-power working state. resulting in micro-discharge. Since the micro-discharge threshold of microwave components is not only related to the design. but also closely related to the actual process. in order to ensure the reliable operation of space.

paperback. Zustand: New. Language:Chinese.Pages Number: 240 Publisher: Southeast University Press. Pub. Date: 2007 -08 Chongqing live town with 1400 years of history. unique natural environment and geographical conditions for success of the Bayu local features and style with the living environment. On how to continue the process of urbanization and inheritance in different periods. different styles of architecture and urban cultural heritage. protection and development of the town is an important issue. Book on the h.

paperback. Zustand: Good. Paperback. Pub Date :1989-11-01 Pages: 64 Publisher: Press sheets tomorrow:

paperback. Zustand: New. Paperback. Pub Date: 2021-08-01 Pages: 110 Language: Chinese Publisher: China Agricultural Science and Technology Press Food is the sky for the people. Agriculture ranks first in all industries. In ancient times. there was no industry and underdeveloped science and technology. It is a last resort.?However. in the current era of information technology. some countries still adhere to this concept. and agriculture occupies a dominant position in the economic structure.?Among them. Sierra Leone. .

paperback. Zustand: Good. Housing town (of signatures).

paperback. Zustand: New. Paperback. Pub Date: 2020-11-01 Pages: 312 Language: Chinese Publisher: Peoples Posts and Telecommunications Press This book sorts out global cyberspace security strategies and policies in 2019. including global data governance. artificial intelligence. blockchain. etc. In the field. categorize and analyze the landmark events and important trends leading the development of network security and informatization in some countries and regions. from top-level design. security protection. infrastru.