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种四

种四

种四

3

The present invention relates to a quaternary chrome series catalyst for ethylene trimerization to prepare 1 -hexane .

本发明涉及一种四元铬系催化剂，用于乙烯三聚制备 1 -己烯。

4

quadrupedal armored herbivore of the Jurassic and Cretaceous .

侏罗纪和白垩纪的一种四足有甲食草动物。

5

An effective machining method was proposed for machining arbitrary surface blades using 4 -axis numerical control (NC) machines.

提出了一种四坐标联动等残留高度端铣加工任意曲面叶片的方法。

7

During training , calisthenics are done to a four-count .

在训练中，士兵要做一种四拍一节的体操。

10

Yes . Probably the most popular is Mah-jong , a game played by four people .

有，最风行的可能算麻将了，一种四个人玩的游戏。

11

Gerner et al. (3 ) recently reported their work with tonicaine, a quaternary lidocaine derivative (N -beta-phenylethyl-lidocaine ).

Gerner 等 [3 ]最近报道了他们在 tonicaine （一种四价利多卡因衍生物（N-β -苯乙基 -利多卡因））方面做的工作。

12

In electronics , a four-bit binary counter which has been modified to countfrom0 to9 and then reset to0.

电子学中，一种四位二进制记数器，其计数改变为从 0 到 9 再到 0 。

13

Mahjong is a game that originated in China, commonly played by 4 players (with some 3-player variations found in Korea and Japan ).

麻将是起源于中国的一种四人牌戏（在日本和韩国也有变化了的三人玩法）。

14

Last year , Xu discovered another species of four-winged dinosaur , also at Liaoning .

去年，徐星又在辽宁发现了另一种四翼恐龙。

15

Search of a Forth Order Single Scheme for the Initial Value Problem of Ordinary Differential Equation

常微分方程初值问题一种四阶单步格式研究

16

Preliminary report of the foliar contents of the introduced quadruple -ploid Black Locust

林芝地区引种四倍体刺槐叶片营养成分初报

17

Proof and Simulation for a Updating Algorithm of Quaternion

一种四元数更新算法的推导及仿真研究

18

A Public-key Cryptography Using Integral Quaternions

一种四元整数公钥密码体制

19

A Design of Solution for Impedance Measurement with Four-electrode

一种四电极阻抗测量的方案设计

20

Analysis and Research on Several Angle-measurement Algorithms Based on Four-quadrant Detector

几种四象限探测器测角算法的分析研究

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