present的例句（present在句子中的用法）

• This special form of vitamin D is naturally present in breast milk. 这种特殊形态的维生素D天然存在于母乳中。
• The figures marked the final low point of the present economic cycle. 这些数据显示了目前经济周期的最低点。
• Ceramics primarily have ionic bonds, but covalent bonding is also present. 陶瓷初始状态是受离子束缚的, 但是还是有共价键结构的.
• Sometimes remnants of the corolla may also be present when the fruit is mature. 有时当果实成熟时也留有花冠的残余.
• They said the present system of military conscription should be phased out. 他们说，当前的征兵体系应当逐步废除。
• Her letters conflate past and present. 在她的信中过去和现在融为一体。
• Compere: At present discharge of good doctor on - line how? 主持人: 现在好大夫在线的流量如何?
• Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present. 海绿石 、 碳酸盐骨骸碎屑 、 海相化石和胶磷矿普遍出现.
• In the present study, gradients of gentamicin along the cochlea were measured. 在目前的研究之中, 可以测量庆大霉素沿着耳蜗的浓度梯度分布.
• As a result , all levels pore specific surface present disciplinarian change in different coalification jump phases. 且该变化规律与煤化作用跃变联系紧密.
• The present paper reported gelatin - peach gum complex coacervation method of microencapsulated phoxim. 采用明胶 - 桃胶为囊材的复合凝聚方法使辛硫磷微胶囊化.
• In the present climate, owners are hanging on to old ships. 在目前的形势下，船东们都不愿淘汰掉旧船。
• Cholelithiasis may be associated with present or past episodes of either acute or chronic cholecystitis. 胆石症可能与现在和过去的急性或慢性的胆囊炎发作有关.
• At present are 2 - chloro ben - mode of destructible cover stealthily. 目前主要有2种形式可破坏显偷换盖.
• Humanized antibody has developed from chimeric antibody and reshaped antibody to the present fully human antibody. 人源化抗体的形式也从最初的嵌合抗体、改型抗体等逐步发展为今天的人抗体.
• At present paper, sorts, acting mechanisms and problems of cellulolytic enzyme in breed aquatics were summarized. 阐述了纤维素酶的种类 、 作用机理及其在养殖业中的应用和存在的问题.
• The total diameter of cavitation, if present, is less than 4 cm. 若出现空洞, 其直径总和小于4厘米.
• The carpet was a wedding present from the Prime Minister. 这张地毯是首相送的结婚礼物。
• Thin layers of sandy shale, and carbonaceous fragments are locally present. 局部出现砂质页岩薄层和碳质碎屑.
• In the latter case, abscessation may be present inside the calvarium. 在后一种情况下, 颅内可能有脓肿形成.