DKK1最开始被确定为蟾蜍胚胎头部形成诱导因子[7]。对骨骼质量调节有重要作用[8 - 10]。
DKK1 was initially identified as an inducer of head formation in Xenopus embryos (7) and plays an important role in the regulation of bone mass (8-10).
你的身体从脚踝到头部应形成一条直线。
Your body should form a straight line from ankles to head [a].
几千年的腐蚀创造而成了一条像龙的岩石形成。去年四月，当我回到那儿，这条龙的头部由于不明原因而倒塌了。
A dragon like rock formation created from thousand years of erosion. When I returned there last April, the dragon's head has collapsed for unknown reason.
用普通傻瓜照相机拍大概40张重叠照片，就足够形成一张肩部到头部的精确3D图了。
Mathews says an overlapping set of approximately 40 digital point-and-shoot photos is enough to capture a person's head and shoulders in detailed 3-D.
近鸟龙生活在1.5亿年前，体型与小鸡相仿，其前肢羽毛黑白相间，形成了闪亮的图案效果，头部还有一块艳丽的红褐色顶冠。
The size of a chicken, it had arm feathers with black-and-white portions, creating the spangled pattern you might see on a prize rooster at a county fair. On its head it wore a gaudy rufous crown.
甲状腺功能衰退症就是某种激素分泌较少，这是头发脱落形成斑秃的最常见原因(这可能影响整个身体而不仅仅是头部)。
Hypothyroidism is an underproduction of certain hormones and is the most common cause of patchy hair loss known as alopecia areata (which can affect the whole body and not just the head).
我们的假设是大概1% ~ 2%的人头部无法形成覆盖上半规管的正常厚度骨头。
Our hypothesis is that about 1 or 2 percent of the population fails to develop a normal thickness of bone overlying the superior canal.
近鸟龙生活在1.5亿年前，体型与小鸡相仿，其前肢羽毛黑白相间，形成了闪亮的图案效果，头部还有一块艳丽的红褐色顶冠。
The size of a chicken, it had arm feathers with black-and-white portions, creating the spangled pattern you might see on a prize rooster at a county fair.
他的头部和身体保持稳定，在水中形成一条水平线。
He keeps his head and body stable... and in a very horizontal line in the water.
有效修护受损发丝，更在秀发表面形成强韧保护膜，帮助秀发防护伤害，强韧更健康，并能给头部皮肤带来舒爽、放松感受。
Effectively repair damaged hair and form strong protection film on hair surface, prevent hair against harm, tough and healthy, and bring refreshing and relaxing feeling to head skin.
很多想法，不断涌动在他的头部，他几乎可以感受到他们推相互对抗，直到他们两个结合，以形成稳定的结合。
Many ideas kept surging in his head; he could almost feel them pushing against one another, until two of them combined to form a stable combination.
褐色的身体，黑色的头部，红色的眼睛，以及由眼睛周围的环形成的白色眼镜。
It has a brownish body, a black cap, red eyes and white "spectacles" formed by rings around the eyes.
该形体包括第一直立部件，其例如是卡通形象的头部；并包括第二部件，其例如形成了一个悬垂的相关面部。
The form comprises a first upstanding part such as cartoon head, and a second part defining, for example, a depending related face.
当这种钢液凝固时，在钢锭头部中央会形成收缩孔。
When such a steel solidifies, a shrinkage cavity know as a "pipe" is formed in the top central part of the ingots.
而且，刚才那个水中怪影的头部太大了，不像是一群水虱游在一起能形成的效果。
What's more, the head of that water monster was way too big to be only a large cluster of these insects swimming together.
实验工作用X光拍摄射流形成过程和射流运动姿态，通过X光片测出射流头部平均速度；
In the experiment, the X-ray testing system takes pictures of the jet formatting and stretching. According to the pictures, we can calculate the jet tip average velocity.
同时研究了板坯SP侧压后尾部翘曲的形成原因及影响因素。研究结果表明，板坯侧压调宽后，头部和尾部在长度方向上形成鱼尾，厚度方向上形成狗骨；
The results show that the head and end of the slab formed fish tail along length direction and dog bone along width direction after SP.
双分子层中，脂质可以自行排布，形成极性头部暴露在水中，疏水尾部夹在中间的结构。
In a lipid bilayer, lipids arrange themselves, so that their polar head groups are exposed to water and their hydrophobic tails are sandwiched in the middle.
双分子层中，脂质可以自行排布，形成极性头部暴露在水中，疏水尾部夹在中间的结构。
In a lipid bilayer, lipids arrange themselves, so that their polar head groups are exposed to water and their hydrophobic tails are sandwiched in the middle.
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