coast defence radar meaning in Hindi

Examples

1. When he asked about radar, knowing they had been briefed on the topic by famous Canadian explorer Charles Wright in early 1939, he was saddened to learn that only a small amount of money had been spent on studying the matter, and this only started in September 1939 . Although several rounds of funding had followed, including $ 40, 000 in May 1940, the NRC efforts had been somewhat bumbling, successful only in developing a Coast Defence radar that was state-of-the-art for 1938.