The newcomers directly threaten the livelihood of the established workers...新来的工人直接威胁到老工人的饭碗。Loss of confidence could trigger a run on Citibank that would threaten the entire financial system.民众信心的丧失可能导致花旗银行出现挤兑，从而威胁到整个金...
青腹原虻组二新种记述 ( 双翅目: 虻科 )TWO NEW SPECIES OF TABANUS OLIVIVENTRIS GROUP ( DIPTERA: TABANIDAE )安徽虻属二新种记述 ( 双翅目: 虻科 )TWO NEW SPECIES OF TABANUS FROM ANHUI, CHINA ( DIPTERA: TABANIDAE )土灰虻(TabanusgriseusKr?ber)的生活史研究 ( 双翅目:虻科 )...
接合形成的合子是部分二倍体,也叫做部分合子.The zygotes formed in conjugation are partial diploids or merozygotes.它是单细胞真菌,有单倍体和二倍体两种存在形态.The fungus is unicellular and exists in both haploid and diploid phases.同源多倍体与其亲本二倍体在遗传上相隔离.Autopolyploid...