There are as well as density - dependent biological factors such as disease, predation, and intraspecific conpetition.还有密度制约的生物因素,诸如病害 、 捕食和种内竞争等.The results indicated that intraspecific and interspecific difference were...
许多天体物理信息要根据吸收线或发射线的强度才能取得.Much astrophysical information is to be obtained from the intensity of absorption or emission lines.有意者请将中英文简历,身份证复印件,近照寄至以上地址或发邮件.Please send your resume both in Chinese and English to above ad...
马克思回信给恩格斯说,他的赞誉对自己的鼓励很大.Marx wrote back to say that Engels'praise had greatly encouraged him.马克思和恩格斯科学地预言了资本主义的灭亡.Marx and Engels scientifically forecast the collapse of capitalism.恩格斯懂好几门外国语, 例如英语 、 法语和意大利语.Engels ...
...the quest for eternal youth.对永葆青春的追求It croons while floating as if telling the eternal secret of the universe.它那喃喃的流动声,似在低诉那宇宙底永久秘密.Did it not symbolize the eternal , unvarying triumph of Good over Evil?这是不是象征善永远战胜恶?....
This is called a rarefaction and is represented by widely spaced dots.这个区域称为稀疏区,并用疏散的小点表示.The classical elementary waves in Riemann solutions include rarefaction wave, shock wave and contact discontinuity.黎曼解涉及的经典基本波包括疏散...