Average rate of development

美 [ˈævərɪdʒ reɪt əv dɪˈveləpmənt]英 [ˈævərɪdʒ reɪt ɒv dɪˈveləpmənt]

1

Recent years , the development rate of marine economy in China is much higher than the average rate of national economic development , and marine economy has become a new growth point of the national economy .

近年来，我国海洋经济的发展速度大大高于同期全国经济发展平均速度，海洋经济已经成为国民经济新的增长点。
2

The results from insect bioassay with aphid showed that the transgenic plants were aphid resistant . The average inhibition rate of aphid population development of detached leaves and whole plants were 38.6 % and 39.4 % .

抗蚜实验表明：转基因植株对蚜口密度增长有一定的抑制作用，转基因菊花离体叶片和整株幼苗的平均蚜口密度抑制率分别为38.6%和39.4%。