Age structure is a foundational base to study the population dynamics.年龄结构是研究种群动态的重要基础.Objective To search for triterpene glycoside with new structure.目的:寻找结构新颖的三萜皂苷类化合物.The photosphere has a granular structure.光球还有颗粒结构。...
Torn muscles retract, and lose strength, structure, and tightness.撕裂的肌肉会收缩，丧失原来的力量、结构和紧实度。My grumble is with the structure and organisation of the material.我所不满的是素材的结构和组织。The chemical structure of this particular molecul...
The material is readily prepared by reaction of formaldehyde and hydrazine.这种物质很容易由甲醛和肼反应而得到.Examples of such fuels are monomethyl - hydrazine and diborane.这种燃料的例子是一甲肼和二硼烷.Hydrazine perchlorate and lithium perchlorate fo...
Adnexa tenderness suggests an inflammatory process.附件触痛提示炎症.Local signs of wound infection consist of pain and tenderness, swelling, warmth, and erythema.伤口感染的局部征象是疼痛,压痛, 肿胀, 发热, 以及红斑.Single men, though they may be many ...
Make a slit in the stem about half an inch long.在树干上切一道大约半英寸长的口子。She watched them through a slit in the curtains.她透过窗帘上的一道窄缝注视着他们。If twill tape is useful, slit the hole with a hemostat.如果用的是斜纹带就要用止血钳来张开小口.She was wearing...