Let's make some kites in today's art and craft lesson.

If it gets cold enough, the lake will freeze, and we can go ice-skating!

如果天气够冷，湖会结冰，我们可以去溜冰。

I go ice-skating twice a week.

我一个星期去二次。

Did he go ice-skating there?

他在那滑冰了吗？

I actually can't go ice-skating.

我其实也不能滑冰。

The mathematical problems in car flow routing are concluded both for setting up the routing and automatic system.

归纳铁路车流径路制定过程中和自动化系统中应用车流径路的数学问题。

On the contrary, for large car flow direction, the fixed consist train is better.

反之，对于大车流方向，更适宜于定编列车。

Mathematical Problems in Car Flow Routing

论铁路车流径路的数学问题

Car flow detection algorithm.

智能交通流检测算法。

Study on the Optimization of Car Flow Organization for Loading Area Based on Logistics Cost

基于物流成本的装车地车流组织优化模型研究

Marshalling yards, as the basic production units of railway network, are the important car flow distribution centers and transportation hubs.

编组站作为我国铁路网的基层生产单位，是铁路网上重要的车流集散地和交通枢纽。

Route Optimizing Method of Loaded Car Flow with Capacity Limit in Railway Network

具有能力限制的路网重车流径路优化方法

Research on Key Technology in Vehicle Flow Extraction Based Traffic Video

基于交通视频的车流量提取的关键技术研究

This paper design and realize a vehicle flow detection system.

本文设计实现了一个车流检测系统。

The implementation of an adaptive vehicle flow traffic light control system

一种车流量自适应交通灯控制系统的实现

The pollutant concentration is positively correlated with the traffic vehicle flow, and negatively correlated with the wind speed and the temperature.

污染物浓度与车流量成正相关，与风速、温度成负相关。

A jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream.

“超音速”“火箭式”“喷燃器”基于空气动力学的推进喷气和火箭发动机内部产生高速流。

A computes simulation model for predicting noise levels from a complex vehicle stream on a multi-lane street with some vehicle bunches

部分车辆成组的多车道混合车流噪声的计算机模拟

Forward equipment will send the information of vehicle-plate and vehicle stream to the center system.

前端设备将采集的车牌号、车道流量等信息传给中心系统，中心系统对这些信息进行处理并发布。

The mutual fund, as an important part of the securities market, is facing the same issue which is mainly demonstrated in the illegal interested party transaction against the fiduciary obligation of the fund manager or investment adviser.

作为证券市场重要组成部分的证券投资基金也同样面临相同问题，在这方面突出表现为基金管理人利用其所处的特殊地位，违反其诚信忠实义务而与利害关系人进行不法交易。

Illegal collection and transaction of credit information will be strictly cracked down on.

严厉打击非法收集、买卖信用信息违法行为。