查询词典 variations

Climate in the early Pleistocene1 varied with a period of 41 kyr and was related to variations in Earth's obliquity.

过去300万年是一个气候剧变的时期，地球上的状况在寒冷的冰川期和温暖的间冰期两个极端之间交替。

Pollcn morphology of 11 Heracleum species was examined under LM andSEM. It is shown that pollens of these specics are all of retangular type andequatorial constricted type, with polar views of 3-splitted round, obtuse triangle ortrianglc. Interspecific variations exhibit in pollen size and exine exolamelle.

对独活属11种植物的花粉进行光镜和扫描电镜观察发现，本属花粉为伞形科中比较进化的矩形型和赤道收缩型；极面观3裂圆形、钝三角形、三角形；花粉大小及外壁纹饰在种间存在明显差异。

The influence of environmental factors in causing lesions may result in variations among individuals with an identical genetic abnormality, for example the severity of brain damage in phenylketonuric oligophrenia is influenced by the amount of phenylalanine in the diet.

例如苯丙酮尿酸精神幼稚病脑损害的严重程度受事物中苯基丙氨酸含量的影响。

Even temperature variations are limited to the open surface and would not exist underground.

即使是温度变化也仅限于表面，在地下不存在这个问题。

Based on the landscape zoning and on the index selection of landscape patterns, features and variations of landscape patterns of Shengli opencast mine before and after its construction were studied.

通过对胜利矿区建设前及建设后的景观分区和选取景观空间格局指标，分析研究了胜利矿区景观的空间格局特征及矿区建设前后空间格局的变化，结果表明：1。

The temperature sensitivity of solid fuel in a hybrid rocket motor is low and we need not assign a weight margin for variations in ambient operating temperatures.

固体燃料燃速温度敏感性小，在设计发动机时可以不考虑装药初温的影响。

Author, secondly, starts from the approximate expandness of square root operator, perform mathematical calculations for finite difference operator in frequency-space domain, Fourier finite difference operator in mixing domain(frequency-space and frequency-wavenumber domain) and general screen operator in mixing domain, compare and discuss their precision of their wavefield, adaptability for lateral velocity variations, computation efficiency and stability.

第二，从平方根算子的近似展开出发对频率—空间域的有限差分算子、混合域(频率—空间域；频率—波数域)的Fourier有限差分算子、混合域的广义屏算子进行了推导并对其波场描述精度、对横向变速的适应性、计算效率和稳定性进行了比较与评述。

Oppositely, planning strategies to fit in with variations is a deficient part of school present situation.

相对而言，在拟定因应未来变化的策略这方面，则是学校目前欠缺的部分。

At the next stage, rather than repeating the search process with the same set of orthogonal vectors, as is done for the method of local variations, Rosenbrock rotates the set of directions to capture information about the objective ascertained during the course of the earlier moves.

在下一阶段，就不是像局部变量方法一样重复搜索同样集的正交向量了，Rosenbrock旋转了方向集来获得在早期移动过程中确定的目标的信息。

Orton and his colleagues used ESO's Very Large Telescope to map the temperature variations.

奥顿及其同事们利用欧洲南方天文台的超大望远镜绘制出海王星的温度变化分布图。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。