查询词典 relatively dense set

The Pratt hypothesis assumes density variations so that areas of less-dense crust rise topographically above areas of more-dense crust.

普拉特 〔地壳均衡〕假说假定地壳密度是变化的，因此认为地壳密度低的地区的地势比密度高的地区要高。

We prove strictly that under the action of any element of this transformation group, an dense orbit in symbolic dynamics becomes other dense ones.

我们证明了，符号动力系统中的一条稠轨在此变换群任一元作用下，变成另一条稠轨。

It should also help in the prediction of avalanche risk, because snow slips are often the result of dense snow falling on a less-dense underlayer.

该研究也可以帮助预测雪崩的风险，因为雪层的滑落通常是因为较密实的雪层覆盖在较松软雪层上的结果。

There exists a phase transformation line for dense and medium dense sand which characters the state from contractive to dilative.

对于中密砂和密砂，剪胀现象是一个比较显著的特征，相变线是描述剪胀现象的一条特征线，它比较容易确定。

Statistic analysis indicated that three kinds of irregular components show complicated random characteristics, and their probability density distributions change with increasing gas velocity, that is, irregular occurrence time fluctuations of all three kinds of elements of heterogeneous structure (the dilute phase, the dense phase and the dilute/dense cycle elements) evolve similarly from symmetric distribution similar to Gauss distribution at low gas velocities to double-peak distribution at medium gas velocities, and become dissymmetric single-peak distribution at high gas velocities.

相关分析表明：动态行为中的三类非规则波动呈随机性；直方图分析表明：随表观气速变化，非均匀结构的各种非规则波动的概率密度分布均具有复杂的演变；其中，对于时间非规则波动，其演变趋势是：小气速下的单峰分布、中气速下的双峰分布和高气速下的非对称单峰分布。

This planet is only as dense as expanded polystyrene, 70 times less dense than the planet we're standing on, said professor Coel Hellier of Keele University.

来自Keele大学 Coel Hellier教授说：&这颗行星仅仅和聚苯乙烯的密度一样大，比我们所站立的这颗行星密度低70倍&

Result:155 women were classified by mammography into 74 heterogeneously dense breasts and 81 extremely dense breasts.

应用spss软件对这三种诊断结果进行统计学分析，组间差异采用x~2检验进行比较。

It was different in the occurring time and quantity of dominant species: in early spring, there were more Psyllidaes in the dense planted area, but more main pests Opatrums and Scarabeidaes and their nature enemies Carabidaes and Spiders in the low planted area. After autumn, the quantity of Psyllidae was the largest in the low planted area, but the least in the dense planted area.

群落个体数稀植区在大部分时间内均高于其它2区。3个区的主要优势害虫及其天敌在发生时间和数量上有一定差异，早春密植区木虱发生数量较大，稀植区中砂潜、金龟子类害虫以及步甲、蜘蛛类天敌数量相对丰富，入秋后稀植区木虱发生量最大，密植区最小。

The positive centers of ζ and ζ(subscript MPV1) and the negative center of ζ(subscript MPV2) distributing on the dense isoline zone of equivalent potential temperature at the upper level slantly spread from the upper down to low troposphere a- long the dense isoline zone.

干空气侵入在这次暴雨过程中有重要作用，对流层高层西风分量下传将高纬高层高位涡干空气带到低纬暴雨区低层，促使对流层低层对流发展，从而产生强降水。

By solving for dense phase zone and rarified phase zone heat balance equation obtained are the dense phase zone and rarified phase zone outlet incineration temperature as well as the formula for calculating auxiliary fuel consumption and incinerator efficiency .

通过求解密相区，稀相区热平衡方程，求得密相区和稀相区出口的焚烧温度，以及辅助燃料耗量和焚烧炉效率的计算公式，为设计流化床废液焚烧炉奠定了理论基础。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。