It is usually found in metaxylem tracheids and vessels.经常在木质部管胞和导管中发现.Exarch Denoting a stele in which the metaxylem develops to the inside of the protoxylem.外始式:指后生木质部在原生木质部之内的中柱类型....
An adverse economic forecast will stimulate action intended to falsify it.不利的经济预报将会刺激人们作出使预报失灵的行动.a result that was widely forecast许多人预料的结果...a forecast of a 2.25 per cent growth in the economy...经济增长 2.25% 的预测Experts ha...