但产厚壳蛋并非易事。
现在包壳的外层部分是厚壳层或尘埃包层的形状。
The outer part of the envelope now has the form of a thick shell or dust cocoon.
厚壳需要深挖。
本文研究了一个弹性有限圆柱厚壳的轴对称弯曲问题。
The axisymmetric problems of a thick-walled elastic circular cylindrical shell with finite length are studied.
厚壳贻贝的二十二碳六烯酸（DHA）含量高于紫贻贝。
The content of docosahexenoic acid (DHA)in M. coruscus was much more than that of M. edulis.
红厚壳在海南岛一直是适应性强、分布广泛的珍贵植物资源。
Calophyllum Inophyllum L. was precious plant resource in Hainan Island all along which had strong adaptability and distributed widely.
目的探讨真菌诱导子对胡桐悬浮培养细胞产生红厚壳素的影响。
AimTo investigate the effects of fungal elicitors on inophyllums production in suspension cultured cell of Calophyllum inophyllum Linn.
文末结合一个算例给出数字结果，并证实了中厚壳理论的精确性。
Numerical results are presented and the precision of the moderately thick shell theory is examined.
构造了一种新的厚壳和薄壳通用的矩形平板壳元gcttrs24。
A new kind of rectangle flat-shell element, GCTTRS24, for thick and thin shells was constructed.
结果表明，黄果厚壳桂所受到的竞争强度随着林木径级的增大而逐渐减小。
The results showed that the intraspecific competition intensity in C. concinna decreased gradually with increasing tree diameter.
而这厚壳也能帮助防止鸟儿下在岩石上蛋的破裂，对于鸵鸟和美洲鸵也是一样。
Incidentally, thicker shells also help prevent breakage for birds that lay eggs on rocks, and for ostriches and rheas.
文中给出了频率的数值结果，对由厚壳理论和经典理论所预示的结果进行了比较。
The numerical results on the frequency are given, the results predicted by the improved and the classical theories are compared.
相同剂量下，厚壳贻贝脂溶性提取物的抗关节炎效果和新西兰翡翠贻贝脂溶性提取物相当。
This indicates that thick shell mussel freeze dried powder and lipid extract have strong chronic anti-inflammatory activity.
目的：为深入研究海洋生物多糖的药用价值，对厚壳贻贝多糖进行分离提纯和生物学活性的研究。
Objective: To explore the influence of Mytilus coruscus polysaccharides, we extracted the polysaccharides from mussels and study its biologic activity.
本文提出一种一般解析方法——空间变量变换法，用以求解任意边界条件下圆柱厚壳自由振动问题。
In this paper, a general analytical method — space variable transform method is presented for solving free vibration problems of thick cylindrical shell with arbitrary boundary conditions.
蜗牛：腹足科众多水生或陆栖软体动物中的一种，通常带有一螺旋似的厚壳，足宽且向内旋，脑袋清晰。
Any of numerous aquatic or terrestrial mollusks of the class Gastropoda, typically having a spirally coiled shell, broad retractile foot, and distinct head.
滇南红厚壳是云南新发掘出来的一种优质造林树种，其树干通直圆满，材质优良，是制作刨切单板的优质材料。
Calophyllum polyanthum is a reforestation species of Yunnan province with the quality of straight stem and good wood quality.
漂浮的冰壳露在水面以上的部分大约有260英尺(80米)厚。
This floating ice shelf was about 260 feet (80 meters) thick from its exposed surface to its submerged base.
大多半厚(粘稠)的机油在启动时实际上通过旁支泄压阀又流回到油底壳而不能进入策动机油道。
Most of the thick oil at startup actually goes through the bypass valve back to the engine oil sump and not into your engine oil ways.
由于薄壁圆柱壳比厚壁圆柱壳的不均匀性更大，薄壁圆柱壳的轴向动力屈曲比厚壁复杂得多。
The dynamic buckling behavior of the thin-wall cylindrical shell is more complicated than that of the thick shell due to its more unevenness.
用简单方法求出了在均匀磁场中旋转的导体厚球壳上电荷的分布，证明了在磁场中转动的导体表面电荷分布无普遍公式。
By using a concise method, the charge distribution on the surface of a thick spherical conducting shell revolving in a homogeneous magnetic field is obtained.
采取增厚加强肋的办法不断提高了油底壳的强度，而且也达到了降噪增频的作用，从而有效地控制了油底壳的裂纹。
An effective control of cracks at oil-reserving bottom comes from increasing strength of the bottom by thickening reinforcing rib, and increasing frequency by reducing noise also achieves.
以冲击加速度为主要数据，分析了改变内壳板厚、外壳板厚、肋骨尺寸、肋骨间距等结构参数对冲击响应的影响。
Analysis regarded impact acceleration as key data to change structural parameters, such as thickness of external and internal shells, dimensions of rib, and rib intervals.
绝大多数其他的陨石，比月壳厚、多山，散落在撞击点附近，覆盖了月球的近一半，正如我们在月球表面所看到的一样。
Most of the excess rock, moreover, would have stayed near the point of impact, covering about half of the moon with a thicker, mountainous layer of crust-just what is seen on the real moon.
绝大多数其他的陨石，比月壳厚、多山，散落在撞击点附近，覆盖了月球的近一半，正如我们在月球表面所看到的一样。
Most of the excess rock, moreover, would have stayed near the point of impact, covering about half of the moon with a thicker, mountainous layer of crust-just what is seen on the real moon.
应用推荐