Ⅰ. 单项填空　　1. Green represents life， growth， peace and environmental protection red is a symbol of good luck in many ......

A simple method of balun synthesis is proposed to estimate the balun structure in the operating frequency band.Then,a ca......

We present in this work a new mathematical model to analyze and evaluate optical phenomena occurring in the nonuniform o......

A Greek to Remember, Diogenes　　Diogenes was a famous Greek philosopher of the fourth century B.C., who established the......

A water bearer had two large pots. One of the pots was perfectly made and never leaked. The other pot had a crack[裂缝] ......

If we look at the sky on a perfectly fine summer’s day we shall find that the blue colour is the most pure and intense ......

Here is some good news for those who need an extra（额外）day to catch up on sleep — 2016 is a leap year. This important th......

导读：秘鲁是个多民族国家，主要人口包括印第安原住民、欧洲人、非洲人和亚洲人。了解当地习俗能有效地节省旅游的时间与精力。　　Pe......

一、多项选择　　1. You may_________ it that he will turn up and offer help in time.　　A. decide on B. depend on　　C. a......

The effect of pre-corrosion on fatigue behavior of high strength steel 38CrMoAl was investigated with a fatigue test met......

In the field of multi-party computation,an important problem is how to construct an efficient and secure multi-party com......