When we look in a mirror, we actually see light that has traveled in a broken path . 当我们对着镜子看时,看到的光事实上是沿折断路径传播的。
In japan, the first description of rice dwarf transmission dates back to the end of the nineteenth century . 在日本,第一次描述水稻矮缩病传播的日子要追逆到19世纪。
Our physical picture of guided light propagation is that of light traveling in zigzag fashion through the film . 导波光的传播的物理图象就是光按Z字形方式通过薄膜传输。
The removal of infected materials also restricts the spread of armillaria in established orchards . 把所有受感染的东西消除掉,也是在已建立的种子园中限制密环菌传播的办法。
Diseases spread by insects are encouraged when climatic conditions are favorite to the propagation of the vectors . 当气候条件适于媒介昆虫繁殖时,由昆虫传播的疾病即行蔓延。
Fermat's principle is not so much a computational device as it is a concise way of thinking about the propagation of light . 费马原理更多的是对光的传播的一种简明看法,而不是一种计算工具。
The use of lasers transmitting light pulses along fibre optic cables is on the verge of revolutionizing the distribution of information . 使用激光通过光学纤维传播光脉冲引起了情报传播的革命。
They were listening intently, and as though looking not at me, but at the pattern of my voice upon the air . 他们全神贯注地倾听着,他们眼睛里看到的仿佛不是我,而是我的声音在空气中传播的样式。
This desease is spread by the dissemination of viable tapeworm ova from the feces of infected dogs and other definitive hosts . 这种病是随着已受感染的狗及其它最终宿主的粪便中活的绦虫虫卵的散布而传播的。