|
|
Term | 术语 | Definition | 定义 |
|---|---|---|---|---|
|
|
isomagnetic line | 等磁力线
| A line connecting points of equality in some MAGNETIC ELEMENT. | 将一些磁力要素相等的点连接起来的线。 |
|
|
isometric | 等量的
| (adj.). Of or pertaining to equal measure. | 形容词。相同度量的或与相同度量有关的。 |
|
|
isometric latitude | 等量纬度
| See LATITUDE. | 一种辅助纬度，用于表示椭球在球面上的等角映射。 |
|
|
isometric parallel | 等比线；等量纬圈 | See PARALLEL. | 在摄影测量学中，指像片平面与到相同透视中心具有相同垂直距离的水平面的交线。 |
|
|
isopleth | 等值线
| An ISOGRAM of equal or constant value of a given quantity, with respect to either time or space. | 在时间或空间方面，某一给定的量具有相等或恒定值的曲线。 |
|
|
isopor | 地磁等年变线 | See ISOPORIC LINE. | 参见isoporic line（地磁等年变线）。 |
|
|
isoporic line | 地磁等年变线 | A line connecting points of equal annual rate of change of a MAGNETIC ELEMENT. Also called isopor. | 磁力要素周年变化率相等点的连线，亦称isopor(地磁等年变线)。 |
|
|
isopycnic | 等密度的 | (adj.). Of or pertaining to equal density. | （形容词）。密度相等的或与相等密度有关的。 |
|
|
isopycnic | 等密度线 | (n.). See ISOPYCNIC LINE. | （名词）。参见isopycnic line（地磁等年变线）。 |
|
|
isopycnic line | 等密度线
| A line connecting points of equal density. Also called isopycnic. | 密度相等点的连线，亦称isopycnic(等密度线)。 |
|
|
isoradial | 等角点辐射线
| A RADIAL from the ISOCENTRE. | 由等角点发出的辐射线。 |
|
|
isostasy | 均衡，地壳均衡
| A condition of approximate EQUILIBRIUM in the outer part of the EARTH, such that the gravitational effect of masses extending above the ... more | 地球外表层的一种近乎平衡状况。在此状态下，大陆区域大地水准面以上的质量的重力效应近似地补偿其... more |
|
|
isostatic anomaly | 均衡异常
| The difference between an observed value of GRAVITY and a theoretical value at the point of OBSERVATION which has been corrected for ELEVATI... more | 观测点重力观测值与理论值之差。观测点已经进行过测站到大地水准面的高程改正，以及整个地球的地形... more |
|
|
isotherm | 等温线
| In METEOROLOGY, the line which is the locus of points which have the same value of air temperature. | 在气象学中，指空气温度值相同的各点连成的线。 |
|
|
isothermal (or isothermic) | 等温的
| (adj.). Of or relating to equal temperature. | （形容词）。温度相等的或与等温相关的。 |
|
|
isotope | 同位素
| Two or more nuclides having the same atomic number, hence constituting the same element, but differing in mass number. | 具有相同原子量的两个或两个以上核素，它们构成相同的元素，但是质量不同。 |
|
|
isotropic (or isotropus) | 各向同性的，同质的
| (adj.). Having the same physical properties in all directions. | （形容词）。在所有方向上物理性质相同的。 |
|
|
isthmus | 地峡
| A narrow strip of LAND connecting two larger bodies of LAND. | 连接两块较大陆地的狭窄条状陆地。 |
|
|
jack-up rig | 自升式钻井平台
| A rig which provides a stable drilling structure in shallow waters by extending supporting legs onto the seabed. The legs are retracted when... more | 一种钻井装置，它可延伸支架到海底，从而为在浅水区域钻井提供了稳定的钻井结构。当它被拖曳时其支... more |
|
|
jellyfish | 水母，海蜇
| Any of various free-swimming COELENTERATES having a disc- or bell-shaped body of jellylike consistency. Many have long tentacles with nema... more | 具有盘形或钟形的胶状体身体且可自由游动的腔肠动物。大多数的水母具有很长的带刺丝（刺细胞）的触... more |