The refractive index n ( X ) varies gradually over the cross-section of the guide.

It is often convenient to use an " effective guide index. "

采用 “ 波导有效折射率 ” 是方便的.

Its proposed signal is a hybrid, part analog and part digital.

其拟议中的信号是一种部分模拟与部分数字的混合波导联结.

A seeing-eye dog is a special dog.

导盲犬是一种特殊的狗.

" I know her name,'said the director, " but what does she do? "

“ 我知道她的名字, " 导演说, " 但是她是干什么的 呢 ? ”

She says her prayers every evening before she goes to bed.

她每天晚上睡觉前都叨咕一遍祷词.

The housewife pounded the dried bread into crumbs.

这位主妇把干面包捣成碎屑.

What is he up to?

他在捣什么鬼?

If you say that again, I'll punch you in the nose!

如果你再那样说, 我就在你鼻子上捣一拳.

Hakka's Feeling-Grandma Tells Stories dance exhibition presents with an easier and more lively and modernized way.

[客家情韵～婆讲古]蹈展演,以比较轻松、泼和现代感的方式来呈现.

He drowned himself in the sea after having been driven to the wall by his creditors.

他被债主逼得走投无路,蹈海而亡.

The short symphony he composed is really inspiring.

他谱写的这段交响乐,发扬蹈厉令人振奋.

Many years ago, if people didn't behave just so, they ought to be punished.

多年前要是人们不循规蹈距, 他们就该受到惩罚.

Funeral and a national day of mourning took place this week for Gerald Ford.

杰仁福特的葬礼暨国悼将在本周举行.

The Research on 4 LGT-130 Combine of Rice and Wheat.

4LGT-130型稻麦联合收割机的研究.

My grandfather has a pair of shoes only -- straw shoe.

我的爷爷只有一双鞋 —— 稻草鞋.

At most, people exchanged a few words in low tones when they met , then quickly separated.

他们至多在稻场上低声交谈一二句就走开.

The canals take water to the rice fields.

水渠把水送到稻田里.

They get two crops of rice a year.

他们一年收获两季稻.

He is a rice farmer.

他是位稻农.

Rice is an important food crop.

稻是重要的粮食作物.